Assertion (A): To protect any instrument from external magnetic field, it is put inside an iron ... VIDEO
Assertion (A): To protect any instrument from external magnetic field, it is put inside an iron body.
Reason (R): Iron is a magnetic substance.
(A) Both A and R are true and R is the correct explanation of A.br(B) Both A and R are true, but R is not the correct explanation of A.
(C) A is true, but R is false.
(D) A is false, but R is true.
(E) Both A and R are false.
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live
Other Videos By PW Solutions 2022-11-16 The area (in square units) of the triangle formed by \( y \)-axis, the straight line \( L \) pas... 2022-11-16 A bulb of \( 40 \) watt is producing a light of wavelength \( 620 \mathrm{~nm} \) with \( 80 \% ... 2022-11-16 рддреНрд░рд┐рдЬреНрдпрд╛ рдЕрдиреБрдкрд╛рдд рдХреНрдпрд╛ рд╣реИ? рдареЛрд╕ рдореЗрдВ рдШрдЯрдХреЛрдВ рдХреА рдЙрдкрд╕рд╣рд╕рдВрдпреЛрдЬрди рд╕рдВрдЦреНрдпрд╛ рддреНрд░рд┐рдЬреНрдпрд╛ рдЕрдиреБрдкрд╛рдд рдкрд░ рдХреИрд╕реЗ рдкреНрд░рднрд╛рд╡ рдбрд╛рд▓рддреА рд╣реИ? 2022-11-16 Cytons of both central and autonomic sensory fibres occur in
(A) spinal ganglia
(B) dorsal part ... 2022-11-16 Construct a \( \triangle A B C \), given that \( B C=6.8 \mathrm{~cm} \), \( \angle B=45^{\circ}... 2022-11-16 Prove that the tangent drawn at the mid-point of an arc of a circle is parallel to the chord joi... 2022-11-16 Write the truth value of the compound statements: \( 5+3=7 \) and \( 6+7=13 \) 2022-11-16 рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдХреЛ \( (a+i b) \) рдХреЗ рд░реВрдк рдореЗрдВ рдкрд░рд┐рд╡рд░реНрддрд┐рдд рдХреАрдЬрд┐рдП- 2022-11-16 A rain drop of mass (1/10) gram falls vertically at constant speed under the influence of the fo... 2022-11-16 \( A B C D \) is a parallelogram. \( X \) and \( Y \) are the mid-points of \( B C \) and \( C D... 2022-11-16 Assertion (A): To protect any instrument from external magnetic field, it is put inside an iron ... 2022-11-16 Draw a line segment \( S R \) of length \( 10 \mathrm{~cm} \). Divide it into 4 equal parts, usi... 2022-11-16 Construct a \( \triangle S T U \), in which \( \angle T=150 \), \( T U=3 \mathrm{~cm} \) and \( ... 2022-11-16 Draw diagrams to show the sequence of changes occurring in a cell during melosis II. 2022-11-16 A bullet of mass \( 10 \mathrm{~g} \) is fired from the gun of mass \( 1 \mathrm{~kg} \) with a ... 2022-11-16 In some chordates, the notochord is modified as the vertebral column. Such animals are called ve... 2022-11-16 pA hemispherical bowl of internal diameter \( 30 \mathrm{~cm} \) contains some liquid. This liqu... 2022-11-16 Let \( R \) be a relation on \( N \times N \) defined by
\( (a, b) R(c, d) \Leftrightarrow a+d=b... 2022-11-16 Ribs are attached to: (A) Scapula (B) Sternum (C) Clavicle (D) Ilium 2022-11-16 Find the value of \[ p r^{4} \times 6 p^{3} r \times 7 p r^{5} \] 2022-11-16 If the foot of the perpendicular from the origin to a plane is \( P(a, b, c) \), the equation of...