| 2023-04-08 | \[
\int_{0}^{\pi / 2}(\sin \theta+\cos \theta) d \theta
\]
\( \math... | 2:29 | 0 | |
|
| 2023-04-08 | \( \mathrm{PQ} \) is an infinite current carrying conductor. \( \ma... | 11:37 | 0 | |
|
| 2023-04-08 | \[
\int_{0}^{2} 5 x d x
\]
\( \mathrm{P} \)
(A) 5
(B) 10
(C) 1
(D) 0
0 | 1:39 | 0 | |
|
| 2023-04-08 | \( \int_{0}^{1} e^{x} d x \)
\( \mathrm{P} \)
(A) \( e^{x} \)
(B) 1... | 2:25 | 1 | |
|
| 2023-04-08 | \( \int 3 x^{2} d x \)
\( \mathrm{P} \)
W
(A) \( x^{3}+C \)
(B) \( ... | 1:24 | 1 | |
|
| 2023-04-08 | If \( y=x^{2} \), then \( \int_{0}^{1} y d x \) will be:
\( \mathrm... | 1:43 | 0 | |
|
| 2023-04-08 | \( \int\left(x^{2}+\sin x+3\right) d x \)
\( \mathrm{P} \)
(A) \( \... | 1:22 | 0 | |
|
| 2023-04-08 | A conducting wheel in which there are four rods of length \( l \) a... | 3:20 | 0 | |
|
| 2023-04-08 | If \( y=\sin (2 x+3) \) then \( \int y d x \) will be
P
W
(A) \( \f... | 4:05 | 1 | |
|
| 2023-04-08 | Value of \( \int_{0}^{\pi / 2} \cos 3 t \mathrm{dt} \) is:
\( \math... | 1:41 | 0 | |
|
| 2023-04-08 | \( \int\left(\cos \frac{x}{2}-\sin \frac{x}{2}\right)^{2} d x= \)
\... | 1:01 | 2 | |
|
| 2023-04-08 | A body of mass \( 10 \mathrm{~kg} \) is suspended by two massless
P... | 0:59 | 1 | |
|
| 2023-04-08 | \( \int 2 \sin (x) d x \) is equal to
P
W
(A) \( -2 \cos x+\mathrm{... | 1:28 | 0 | |
|
| 2023-04-08 | A ladder \( 10 \mathrm{~m} \) long rests against a vertical wall wi... | 3:05 | 0 | |
|
| 2023-04-08 | A conducting straight wire \( \mathrm{PQ} \) of length \( l \) is f... | 1:50 | 0 | |
|
| 2023-04-08 | A stationary shell breaks into three fragments. The
\( \mathrm{P} \... | 1:29 | 0 | |
|
| 2023-04-08 | A spherical iron ball \( 10 \mathrm{~cm} \) in radius is coated wit... | 1:35 | 1 | |
|
| 2023-04-08 | A spherical balloon is being inflated at the rate of
\( \mathrm{P} ... | 1:50 | 11 | |
|
| 2023-04-08 | Choose the correct relation
P
(1) \( \eta=\frac{1-\beta}{\beta} \)
... | 0:59 | 0 | |
|
| 2023-04-08 | A flexible wire bent in the form of a circle is placed in a uniform... | 2:30 | 0 | |
|
| 2023-04-08 | The sides of an equilateral triangle are increasing at
\( \mathrm{P... | 1:07 | 0 | |
|
| 2023-04-08 | The coil of area \( 0.1 \mathrm{~m}^{2} \) has 500 turns. After pla... | 2:11 | 1 | |
|
| 2023-04-08 | The current carrying wire and the rod \( \mathrm{AB} \) are in the ... | 1:34 | 1 | |
|
| 2023-04-08 | Two bar magnets having same geometry with magnetic moments \( M \) ... | 5:08 | 19 | |
|
| 2023-04-08 | A magnet makes 40 oscillations per minute at a place having magneti... | 5:42 | 0 | |
|
| 2023-04-08 | The magnetic flux linked with coil, in weber is given by the equati... | 3:10 | 2 | |
|
| 2023-04-08 | A magnet is suspended horizontally in the earth's magnetic field. W... | 5:02 | 3 | |
|
| 2023-04-08 | A conducting ring is placed around the core of an electromagnet as ... | 1:49 | 0 | |
|
| 2023-04-08 | The ratio of magnetic moments of two bar magnet is
13 : 5. These ma... | 4:51 | 4 | |
|
| 2023-04-08 | A very small magnet is placed in the magnetic meridian with its sou... | 5:08 | 8 | |
|
| 2023-04-08 | According to Lenz's law of electromagnetic induction
\( \mathrm{P} ... | 1:08 | 1 | |
|
| 2023-04-08 | The magnet of vibration magnetometer is heated so
\( \mathrm{P} \) ... | 1:28 | 7 | |
|
| 2023-04-08 | A sphere is suspended by a thread of length \( l \).
\( \mathrm{P} ... | 2:02 | 1 | |
|
| 2023-04-08 | Magnetic moments of two identical bar magnets are
P \( \mathrm{M} \... | 4:25 | 0 | |
|
| 2023-04-08 | A magnetic needle of magnetic moment \( 6.7 \times 10^{-2} \) \( \m... | 4:41 | 0 | |
|
| 2023-04-08 | For a vibration magnetometer, the time period of
P freely suspended... | 1:02 | 0 | |
|
| 2023-04-08 | The time period of a freely suspended bar magnet
P does not depends... | 2:21 | 0 | |
|
| 2023-04-08 | A stone is projected vertically up to reach
P maximum height ' \( h... | 2:31 | 2 | |
|
| 2023-04-08 | A projectile is fired at \( 30^{\circ} \) with momentum \( \mathrm{... | 1:05 | 1 | |
|
| 2023-04-08 | A magnet is suspended horizontally in the earth's magnetic field. W... | 3:20 | 5 | |
|
| 2023-04-08 | The length of a magnet is large compared to its width and breadth. ... | 3:08 | 0 | |
|
| 2023-04-08 | A vibration magnetometer consists of two identical bar magnets plac... | 6:05 | 2 | |
|
| 2023-04-08 | A thin rectangular magnet suspended freely has a period of oscillat... | 5:38 | 1 | |
|
| 2023-04-08 | A magnet makes 40 oscillations per minute at a place having magneti... | 4:16 | 6 | |
|
| 2023-04-08 | Two magnets are held together in a vibration
P magnetometer and are... | 1:58 | 0 | |
|
| 2023-04-08 | Two identical bar magnets are placed one above the
\( \mathrm{P} \)... | 1:47 | 1 | |
|
| 2023-04-08 | Magnets \( A \) and \( B \) are geometrically similar but the
P mag... | 1:18 | 0 | |
|
| 2023-04-08 | A magnetic needle is made to vibrate in uniform field \( H \), then... | 4:09 | 2 | |
|
| 2023-04-08 | A bar magnet is oscillating in the Earth's magnetic field with a pe... | 3:54 | 1 | |
|
| 2023-04-08 | Time period for a magnet is \( T \). If it is divided in four equal... | 2:23 | 1 | |
|
| 2023-04-08 | At a certain place a magnet makes 30 oscillations per minute. At an... | 0:57 | 2 | |
|
| 2023-04-08 | A bar magnet has a magnetic moment equal to \( 5 \times 10^{-5} \ma... | 4:36 | 1 | |
|
| 2023-04-08 | The time period of oscillation of a freely suspended bar magnet wit... | 1:45 | 1 | |
|
| 2023-04-08 | A bar magnet has a magnetic moment equal to \( 5 \times 10^{-5} \ma... | 4:36 | 0 | |
|
| 2023-04-08 | Time period of a freely suspended magnet does not depend upon
P
W
(... | 1:35 | 1 | |
|
| 2023-04-08 | The material of permanent magnet has
P
(1) High retentivity, low co... | 5:10 | 0 | |
|
| 2023-04-08 | The period of oscillations of a magnet is \( 2 \mathrm{sec} \). Whe... | 4:03 | 2 | |
|
| 2023-04-08 | The potential energy of a particle of mass \( m \) is
\( \mathrm{P}... | 0:53 | 0 | |
|
| 2023-04-08 | The material of permanent magnet has
\( \mathrm{P} \)
(1) High rete... | 4:50 | 139 | |
|
| 2023-04-08 | The materials suitable for making electromagnets should have
\( \ma... | 4:11 | 1 | |
|
| 2023-04-08 | The permanent magnet is made from which one of the
P following subs... | 0:31 | 0 | |
|
| 2023-04-08 | The materials suitable for making electromagnets should have
\( \ma... | 4:50 | 1 | |
|
| 2023-04-08 | Intensity of magnetic field due to earth at a point inside a hollow... | 4:35 | 3 | |
|
| 2023-04-08 | Which of the following statements are true about the
P magnetic sus... | 0:48 | 1 | |
|
| 2023-04-08 | If a diamagnetic substance is brought near north or
P south pole of... | 0:38 | 1 | |
|
| 2023-04-08 | When a ferromagnetic material goes through a hysteresis loop, the m... | 5:12 | 4 | |
|
| 2023-04-08 | Hysteresis loops for two magnetic materials \( \mathrm{A} \) and \(... | 2:04 | 0 | |
|
| 2023-04-08 | Which of the following graphs show the behavior of
P a ferromagneti... | 0:49 | 0 | Show |
|
| 2023-04-08 | The coercivity of a small magnet where the ferromagnet gets demagne... | 1:38 | 0 | |
|
| 2023-04-08 | If the magnetic dipole moment of an atom of diamagnetic material, p... | 5:41 | 0 | |
|
| 2023-04-08 | A rod of ferromagnetic material with dimensions 10 \( \mathrm{cm} \... | 4:17 | 1 | |
|
| 2023-04-08 | A rod of ferromagnetic material with dimensions 10 \( \mathrm{cm} \... | 2:30 | 0 | |
|
| 2023-04-08 | Nickel shows ferromagnetic property at room temperature. If the tem... | 2:24 | 0 | Show |
|
| 2023-04-08 | To protect a sensitive instrument from external
P megnetic jerks, i... | 0:43 | 2 | |
|
| 2023-04-08 | Susceptibility of a magnetic substance is found to depend on temper... | 2:36 | 1 | |
|
| 2023-04-08 | According to Curie's law, the magnetic susceptibility of a substanc... | 0:46 | 1 | |
|
| 2023-04-08 | For protecting a magnetic needle it should be placed:
P
(1) In an i... | 0:39 | 4 | |
|
| 2023-04-08 | If a diamagnetic material is placed in a magnetic field, the flux d... | 1:26 | 0 | |
|
| 2023-04-08 | If a magnetic substance is kept in a magnetic field, then which of ... | 4:49 | 5 | |
|
| 2023-04-08 | Which of the following materials is repelled by an
P external magne... | 0:25 | 0 | |
|
| 2023-04-08 | Which of the following statements is incorrect about hysteresis
\( ... | 5:10 | 17 | |
|
| 2023-04-08 | Susceptibility of ferromagnetic substance is
P
(1) \( 1 \)
(2) \( 1... | 0:40 | 0 | |
|
| 2023-04-08 | If the magnetic dipole moment of an atom of
\( \mathrm{P} \) diamag... | 0:53 | 0 | |
|
| 2023-04-08 | Temperature above which a ferromagnetic substance becomes paramagne... | 4:07 | 5 | |
|
| 2023-04-08 | The given figure represents a material which is
\( \mathrm{P} \)
W
... | 0:42 | 1 | |
|
| 2023-04-08 | Intensity of magnetic field due to earth at a point
P inside a holl... | 1:03 | 0 | |
|
| 2023-04-08 | The area of hysteresis loop of a material is equivalent
\( \mathrm{... | 1:51 | 0 | |
|
| 2023-04-08 | The magnetic moment of atomic neon is
P
(1) Zero
(2) \( \mu \mathrm... | 0:26 | 1 | |
|
| 2023-04-08 | For an isotropic medium \( B, \mu, H \) and \( M \) are related as ... | 3:28 | 0 | |
|
| 2023-04-08 | The \( \chi-(1 / T) \) graph for an alloy of paramagnetic
P nature ... | 0:48 | 0 | |
|
| 2023-04-08 | A curve between magnetic moment and temperature of magnet is
\( \ma... | 5:25 | 0 | |
|
| 2023-04-08 | The \( \chi \mathrm{v} / \mathrm{s} 1 / \mathrm{T} \) graph for an ... | 2:01 | 1 | |
|
| 2023-04-08 | For substances hysteresis \( (B-H) \) curves are given as
P shown i... | 0:45 | 2 | Show |
|
| 2023-04-08 | Curie temperature is the temperature above which
(1) A ferromagneti... | 4:04 | 3 | |
|
| 2023-04-08 | Two wires \( P Q \) and \( Q R \), carry equal currents \( i \) as
P shown in figure. One end of... | 5:35 | 0 | Show |
|
| 2023-04-08 | The use of study of hysteresis curve for a given
P material is to e... | 0:36 | 3 | |
|
| 2023-04-08 | Curie-Weiss law is obeyed by iron at a temperature
\( \mathrm{P} \)... | 0:45 | 0 | |
|
| 2023-04-08 | If a ferromagnetic material is inserted in a current
P carrying sol... | 0:44 | 0 | |
|
| 2023-04-08 | Curie's law can be written as
P
(1) \( \chi \propto\left(T-T_{\math... | 2:47 | 5 | |
|
| 2023-04-08 | An iron rod of volume \( 10^{-3} \mathrm{~m}^{3} \) and relative pe... | 7:21 | 1 | |
|
