| 2023-12-22 | In order to jump off the floor, the floor must exert a
\( \mathrm{P... | 2:10 | 0 | |
|
| 2023-12-22 | Figure shows a man of mass \( 50 \mathrm{~kg} \) standing on a ligh... | 3:10 | 0 | Show |
|
| 2023-12-22 | A book is lying on the table. What is the angle
\( \mathrm{P} \)
be... | 0:57 | 0 | |
|
| 2023-12-22 | A turn of radius \( 20 \mathrm{~m} \) is banked for the vehicles
\(... | 6:16 | 2 | |
|
| 2023-12-22 | A road is banked at an angle of \( 30^{\circ} \) to the
\( \mathrm{... | 1:31 | 0 | |
|
| 2023-12-22 | A cyclist is moving on circular track of radius \( 80 \mathrm{~m} \... | 1:28 | 0 | |
|
| 2023-12-22 | A motor cyclist moving with a velocity of \( 72 \mathrm{~km} / \mat... | 3:44 | 2 | |
|
| 2023-12-22 | An unbanked curve has a radius of \( 60 \mathrm{~m} \). the
\( \mat... | 1:16 | 0 | |
|
| 2023-12-22 | When the road is dry and the coefficient of friction
\( \mathrm{P} ... | 1:45 | 3 | |
|
| 2023-12-22 | A cyclist speeding at \( 18 \mathrm{~km} / \mathrm{h} \) on a level... | 3:23 | 0 | |
|
| 2023-12-22 | A particle \( \mathrm{P} \) of mass \( m \) is attached to a vertic... | 4:31 | 0 | |
|
| 2023-12-22 | A particle starts moving in a non-uniform circular
\( \mathrm{P} \)... | 2:24 | 0 | |
|
| 2023-12-22 | Find the maximum speed at which a car can turn
\( \mathrm{P} \)
rou... | 1:22 | 0 | |
|
| 2023-12-22 | Consider a conical pendulum having bob of mass \( \mathrm{m} \)
\( ... | 3:54 | 0 | |
|
| 2023-12-22 | If a particle of mass \( \mathrm{m} \) is moving in a horizontal
\(... | 2:38 | 0 | |
|
| 2023-12-22 | Three identical particles are connected by three
\( \mathrm{P} \)
s... | 3:40 | 0 | |
|
| 2023-12-22 | In a particular crash test, a car of mass \( 150 \mathrm{~kg} \) co... | 3:53 | 0 | |
|
| 2023-12-22 | The block of mass \( m \) is in equilibrium relative to the smooth ... | 2:22 | 0 | |
|
| 2023-12-22 | A particle of mass \( m \) is fixed to one end of a light spring of... | 3:27 | 1 | |
|
| 2023-12-22 | A sphere of radius \( 25 \mathrm{~cm} \) and mass \( 1 \mathrm{~kg}... | 2:03 | 0 | |
|
| 2023-12-22 | A particle is projected from a point A with velocity
\( \mathrm{P} ... | 1:51 | 0 | |
|
| 2023-12-22 | A fan is making 600 revolutions per minute. If after
\( \mathrm{P} ... | 1:41 | 0 | |
|
| 2023-12-22 | What is the value of linear velocity, if
\( \mathrm{P} \)
\( \vec{\... | 1:48 | 0 | |
|
| 2023-12-22 | The angular velocity of a wheel is \( 70 \mathrm{rad} / \mathrm{s} ... | 0:38 | 2 | |
|
| 2023-12-22 | A car is moving with speed \( 30 \mathrm{~m} / \mathrm{s} \) on a c... | 1:40 | 0 | |
|
| 2023-12-22 | The magnitude of the tangential acceleration, the
\( \mathrm{P} \)
... | 1:02 | 0 | |
|
| 2023-12-22 | A car is travelling with linear velocity \( v \) on a
\( \mathrm{P}... | 1:15 | 0 | |
|
| 2023-12-22 | Velocity vector and acceleration vector in a uniform
\( \mathrm{P} ... | 2:05 | 0 | |
|
| 2023-12-22 | A particle is moving in a circle
P
(1) The resultant force on the p... | 3:38 | 0 | |
|
| 2023-12-22 | A fly wheel rotating at \( 600 \mathrm{rev} / \mathrm{min} \) is br... | 1:49 | 0 | |
|
| 2023-12-22 | Which of the following relation is correct for
\( \mathrm{P} \)
ang... | 1:14 | 1 | |
|
| 2023-12-22 | Two cars of masses \( m_{1} \) and \( m_{2} \) are moving along
\( ... | 1:18 | 0 | |
|
| 2023-12-22 | The angular velocity of the second's needle in
\( \mathrm{P} \)
wat... | 0:44 | 0 | |
|
| 2023-12-22 | The speed of revolution of a particle performing
P
circular motion ... | 1:17 | 0 | |
|
| 2023-12-22 | The angular speed of a fly wheel making 120
\( \mathrm{P} \)
revolu... | 1:01 | 1 | |
|
| 2023-12-22 | A particle is moving on a circular path of radius \( r \)
\( \mathr... | 2:38 | 0 | |
|
| 2023-12-22 | The figure shows a body of mass \( m \) moving with a
\( \mathrm{P}... | 1:10 | 1 | Show |
|
| 2023-12-22 | A table fan rotating at a speed of \( 2400 \mathrm{rpm} \) is
P
swi... | 2:47 | 0 | |
|
| 2023-12-22 | If the equation for the displacement of a particle
\( \mathrm{P} \)... | 1:11 | 0 | |
|
| 2023-12-22 | The angle turned by a body undergoing circular
\( \mathrm{P} \)
mot... | 1:06 | 1 | |
|
| 2023-12-22 | A stone is thrown from the top of a tower of height \( 50 \mathrm{~... | 5:45 | 2 | |
|
| 2023-12-22 | An Object follows a curved path. The following
\( \mathrm{P} \)
qua... | 2:35 | 0 | |
|
| 2023-12-22 | A particle is moving in a circular path with constant
\( \mathrm{P}... | 1:20 | 0 | |
|
| 2023-12-22 | A particle is moving with constant angular
\( \mathrm{P} \)
acceler... | 1:46 | 0 | |
|
| 2023-12-22 | Assertion: An ac generator is based on the phenomenon of electromag... | 2:46 | 0 | |
|
| 2023-12-22 | In an \( \mathrm{AC} \) circuit, the current lags behind the voltag... | 5:14 | 0 | |
|
| 2023-12-22 | A flywheel rotates with a uniform angular
\( \mathrm{P} \)
accelera... | 2:09 | 0 | |
|
| 2023-12-22 | Two bodies of mass \( 10 \mathrm{~kg} \) and \( 5 \mathrm{~kg} \) m... | 2:51 | 0 | |
|
| 2023-12-22 | Assertion: When AC circuit contain resistor only,
\( \mathrm{P} \)
... | 2:44 | 2 | |
|
| 2023-12-22 | Assertion: Average value of AC over a complete cycle is always zero... | 2:26 | 1 | |
|
| 2023-12-22 | The primary of a transformer has 400 turns while the secondary has ... | 1:55 | 1 | |
|
| 2023-12-22 | The loss of energy in the form of heat in the iron core of a transf... | 2:25 | 2 | |
|
| 2023-12-22 | A step up transformer has transformation ratio \( 5: 3 \). What is ... | 1:04 | 3 | |
|
| 2023-12-22 | The power factor is an \( \mathrm{AC} \) series \( L R \) circuit i... | 2:31 | 0 | |
|
| 2023-12-22 | The core of any transformer is laminated so as to:
\( \mathrm{P} \)... | 2:02 | 0 | |
|
| 2023-12-22 | In an \( \mathrm{AC} \) circuit, the current flowing in inductance ... | 1:52 | 1 | |
|
| 2023-12-22 | In a series \( L C R \) circuit alternating \( \operatorname{emf}(e... | 2:09 | 1 | |
|
| 2023-12-22 | An AC supply gives \( \mathrm{V}_{\mathrm{rms}}=30 \mathrm{~V} \), ... | 1:49 | 1 | |
|
| 2023-12-22 | The phase difference between the current and the
\( \mathrm{P} \)
v... | 2:18 | 0 | |
|
| 2023-12-22 | The average power dissipation in a pure capacitor in \( \mathrm{AC}... | 1:19 | 0 | |
|
| 2023-12-22 | In an \( \mathrm{AC} \) circuit the voltage applied is \( E=E_{0} \... | 1:53 | 0 | |
|
| 2023-12-22 | The selectivity of a series \( L C R \) a.c. circuit is large,
\( \... | 2:05 | 0 | |
|
| 2023-12-22 | In an \( L R \) circuit, the value of \( L \) is \( \left(\frac{0.4... | 1:48 | 0 | |
|
| 2023-12-22 | In an \( L C R \) circuit, the sharpness of resonance depends on:
\... | 2:22 | 0 | |
|
| 2023-12-22 | An ac circuit contains a resistance \( R \), capacitance \( C \) an... | 2:15 | 0 | |
|
| 2023-12-22 | Find the capacitive reactance of \( 10 \mu \mathrm{F} \) capacitor,... | 1:45 | 1 | |
|
| 2023-12-22 | The resonant frequency of a circuit is \( f \). If the capacitance ... | 0:53 | 0 | |
|
| 2023-12-22 | Use of eddy currents is done in the following except
(1) moving coi... | 2:36 | 0 | |
|
| 2023-12-22 | An alternating current of frequency \( f \) is flowing in a circuit... | 1:09 | 0 | |
|
| 2023-12-22 | When a voltage measuring device is connected to AC mains, the meter... | 1:36 | 0 | |
|
| 2023-12-22 | Which of the following curves correctly represent the variation of ... | 0:47 | 0 | |
|
| 2023-12-22 | Alternating current cannot be measured by DC ammeter because:
\( \m... | 1:35 | 0 | |
|
| 2023-12-22 | An aeroplane having a wing space of \( 35 \mathrm{~m} \) flies due ... | 2:43 | 2 | |
|
| 2023-12-22 | An infinitely long cylinder is kept parallel to a uniform magnetic ... | 1:44 | 0 | |
|
| 2023-12-22 | The North-pole of a long horizontal bar magnet is being brought clo... | 1:35 | 0 | |
|
| 2023-12-22 | Electromagnets are made of soft iron, because soft iron has
\( \mat... | 2:24 | 0 | |
|
| 2023-12-22 | The work done in turning a magnet of magnetic
\( \mathrm{P} \)
mome... | 4:18 | 0 | |
|
| 2023-12-22 | Lenz's law of electromagnetic induction corresponds to the law of c... | 1:17 | 0 | |
|
| 2023-12-22 | In which type of material the magnetic susceptibility
\( \mathrm{P}... | 2:05 | 1 | |
|
| 2023-12-22 | Assertion: The deflection of the pointer is proportional to the cur... | 3:40 | 1 | |
|
| 2023-12-22 | According to Curie's Law, the magnetic
\( \mathrm{P} \)
susceptibil... | 0:51 | 0 | |
|
| 2023-12-22 | Assertion: Torque on a magnetic dipole placed in a uniform magnetic... | 2:16 | 1 | |
|
| 2023-12-22 | Potential energy of a bar magnet of magnetic moment \( M \) placed ... | 2:07 | 1 | |
|
| 2023-12-22 | A bar magnet of magnetic moment \( M \) is cut into two equal parts... | 2:51 | 6 | |
|
| 2023-12-22 | When a magnetic compass needle is carried nearby
\( \mathrm{P} \)
t... | 3:35 | 1 | |
|
| 2023-12-22 | A charged particle is moving on circular path with
\( \mathrm{P} \)... | 2:08 | 0 | |
|
| 2023-12-22 | Tesla is the unit of
\( \mathrm{P} \)
(1) Electric flux
W
(2) Curre... | 1:22 | 2 | |
|
| 2023-12-22 | A strong magnetic field is applied on a stationary
\( \mathrm{P} \)... | 1:58 | 0 | |
|
| 2023-12-22 | The galvanometer cannot as such be used as an ammeter to measure th... | 1:38 | 0 | |
|
| 2023-12-22 | Current flows in three long straight parallel wires as shown in fig... | 7:09 | 2 | Show |
|
| 2023-12-22 | A milli voltmeter of 25 milli volt range is to be converted into an... | 1:48 | 0 | |
|
| 2023-12-22 | The conversion of a moving coil galvanometer into a voltmeter is do... | 1:53 | 2 | |
|
| 2023-12-22 | If the current is doubled, the deflection is also doubled in:
\( \m... | 1:09 | 0 | |
|
| 2023-12-22 | A current carrying loop is placed in a uniform magnetic field. The ... | 2:22 | 1 | |
|
| 2023-12-22 | A moving coil sensitive galvanometer gives at once much more deflec... | 1:23 | 0 | |
|
| 2023-12-22 | A current loop of area \( \mathrm{A} \), number of turns \( \mathrm... | 2:32 | 1 | |
|
| 2023-12-22 | Which of the following is experienced by a current carrying loop in... | 1:40 | 0 | |
|
| 2023-12-22 | An electron is projected with uniform velocity along the axis of a ... | 4:01 | 0 | |
|
| 2023-12-22 | Resistance of wire at \( 20^{\circ} \mathrm{C} \) is \( 20 \Omega \... | 5:38 | 0 | |
|
| 2023-12-22 | A current of \( 10 \mathrm{~A} \) is flowing from east to west in a... | 2:43 | 2 | |
|
