ಕ ಇ ಬ ಸಕ ಜಟ ಟೆ

005/2016

0

Maximum : 100 marks

Time : 1 hour and 15 minutes

Kirchhoff's Voltage Law (KVL) is a restatement of:
(ಯ) Principle of conservation of charge (B) Principle of conservation of energy

(C) Both (A) and (B) (D) None of the above

If the number of turns of a coil is doubled, its inductance :
(A) Decreases two times (B) Decreases four times
(C) Increases two times (D) Increases four times

Two batteries having emfs of 10 ४ and 7 V and internal resistances 2 Q and 3 ಟಿ
respectively are connected in parallel across a load of resistance of 1 Q. The current drawn
by the load is :

AA) 3A (B) 1A

(c) 4A ന) 24

A square coil of 10 cm side and with 100 turns is rotated at a. uniform speed of
1000 revolutions per minute about an axis at right angles to a uniform magnetic field having
a flux density of 0.5 wb/m*. The instantaneous value of induced emf when the plane of the
coil is parallel to the plane of the field is :

(4) Zero (9) 25.37

(0) 52.3 ४ (0) 40.5 ४

In an RLC series cireuit, R=20, X, =49 and X,, =6Q. The current is 5 A. The applied
voltage in the circuit is :

(A) 14.14 ४ (षठ) 10.44 ४

(மு 1414V (0) 1414V

A current of 10 A flows in a circuit with 30° angle of lag when the applied voltage is 100 V.
The resistance, reactance and impedance are :

(A) 8.666 ೧,8 ೧, 10 Q ൩ 109,59, 0.866 2

) 102, 0,866 9,5 9 (D) 0.866 2,10 52,5 2

A wire is placed parallel to the lines of force in a magnetic field and a current flows in this
wire. Then : ⋅

(A) The wire experiences a force in the direction of the magnetic field

(B)_ The wire does not experience any force

(C) The wire experiences a force in a direction opposite to the magnetic field

(D) The wire experiences a force in a direction perpendicular to the magnetic field

8
7.7.0.)