Question

8. A current of 2A is increasing at a rate of 4As through a coil of inductance IH. Find the
energy stored in the inductor per unit time in the units of Is-
SECTION - II
(ONE OR MORE CORRECT ANSWER TYPE)
This section contains 10 multiple choice questions. Each question has 4 options (A), (B), (C) and (D) for its
answer, out of which ONE OR MORE than ONE option can be correct.
Marking scheme: +4 for correct answer, O if not attempted and -2 in all other cases.
9. Two blocks A(5 kg) and B(2 kg) attached to the ends of a spring constant 1120 N/m are
placed on a smooth horizontal plane with the spring underformed. Simulataneously
velocities of 3 m/s and 10 m/s along the line of spring in the same direction are imparted
to A and B then?
3 m)
10 m/s
A5 on 2198
A) When the extension of spring is maximum the velocity of A and B are zero
B) The maximum extension of the spring is 25 cm
C) The first maximum compression occurs seconds after start
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10.
D) Maximum extension and maximum compression occurs alternately
A 20 gm particle is subjected to two simple harmonic motions x = 2 sin 101,
x2 = 4sin 101 + Where x, and x, are in manu / is in sec.
11.
A) The displacement of the particle at 1 = 0 will be 2/3m
• B) Maximum speed of the particle will be 20/7m/s
C) Magnitude of maximum acceleration of the particle will be
D) Energy of the resultant motion will be 28J.
Two waves travelling in opposite directions produce a standing wave the individual wave
functions are given by ), = 4sın(3x - 21)cm and y2 = 4 sin (3x+21)cm. Where x and yare (in
cm)... sin(69) = 0 5784]
A) The maximum displacement of the motion at x = 2.3cm is 4 63cm
B) The maximum displacement of the motion at x = 23 cm is 5 32cm.
I 211 411
C) Nodes are formed at r values by 0,1 ,1, **
given by II 51 71
D) Antinodes are formed at / values given by ---
for Damah Ilarla
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Answer 1

Isaac Newton's law of attraction of the same material of the same material of construction of the same material of construction of the same material and the rest of the same physical state of mind the time and consideration and look forward to high frequency of the same material of construction and the rest of your sister in law is the best of the same material of construction Einstein also Albert Einstein is known for his mathematical formula e = a square*b square