# IIT JEE / PMT Module Test 4 : Physics : Magnetic Effect

Normal type of MCQ with one correct option The electric field in the space between the plates of a distance tube is 3.25 × 104 newtons/coulomb. If the mass of a proton is 1.67 ×1027 kg and its charge is 1.60 ×10(19 coulomb, the force of the electric field on a proton in this field is
10.40 × 10(15 newtons
10.40 × 10(16 newtons
2 × 10(15 newtons
5.2 × 10(15 newtons
Normal type of MCQ with one correct option The deflection in a galvanometer falls from 50 division to 20 when a 12 ohm shunt is applied. The galvanometer resistance is
18 ohms
36 ohms
24 ohms
30 ohms
Normal type of MCQ with one correct option A galvanometer of resistance 5 ohms gives a full scale deflection for a potential difference of 10mV. To convert the galvanometer into a voltmeter giving a full scale deflection for a potential difference of 1v, the size of the resistance that must be attached to the voltmeter is
0.495 ohms
49.5 ohms
495 ohms
4950 ohms
Normal type of MCQ with one correct option A current i amp. Flows in the loop having circular arc of radius r metre subtending an angle ( as shown in figure. The magnetic field at centre O of circle is 
Normal type of MCQ with one correct option The magnetic field inside a straight solenoid (a) Is independent of the radius of the solenoid (b) depends upon the number of turns and current in the solenoid. (c) Is uniform through out the solenoid. (d) Is always radial inside the solenoid.
A,B
B
C,D
A,B & D

A straight line
A circle
A helix with uniform pitch
A helix with non-uniform pitch

4:3
2:3
3:2
3:4

Li+
Electron
Proton
He+
ASSERTION(REASON A. A charged particle moves perpendicular to magnetic field. Its kinetic energy remains constant but momentum changes. R. Force acts perpendicular to velocity of the particle.
Both A and R are true and R is correct explanation of A
Both A and R are true and R is not correct explanation of A
A is true, R is false
A is false, R is true
Match matrix type of questions, A long straight conductor carries a current along z-axis. Consider the point P(a,0,0)’ Q(0, -a, 0); R(-a, 0,0); S(0, a,0) Column I (A) All the four points have magnetic field (B) Magnetic fields at P and R are (C) Magnetic fields at P and Q are (D) of the same magnitude. Column II (P) In opposite direction (Q) In different direction (R) Mutually perpendicular
(A) ( (Q), and (S), (B) ((P), (C) ((R)
(A) ( (R), and (S), (B) ((P), (C) ((Q)
(A) ( (Q), and (P), (B) ((S), (C) ((R)
(A) ( (P), and (S), (B) ((Q), (C) ((R)
Description:

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