A. conducting very large currents

C. storing very high currents

D. preventing a short circuit between conducting wires

B. carbon

C. aluminium

D. nickel

A. none of them

B. Ri

D. either Rl or Ri

A. the lowest resistance has the highest current

B. the highest resistance has the most of the current through it

C. the lowest resistance has the highest voltage drop

B. Current

C. Charge

D. Force

B. Copper

C. Gold

D. Silver

A. the same as propagation velocity of electric energy

B. independent of current strength

C. nearly 3 x 108 m/s

A. preventing an open circuit between the voltage source and the load

B. conducting very large currents

D. storing very high currents

B. P/3

C. None of the above

D. P

A. there will be heavy current in the main line

B. rest of the two bulbs will not light

D. all three bulbs will light

A. about 50 ohms

C. about 500 ohms

D. infinity

A. Current

B. Power

C. Speed

A. 1.8 x 10?8 Q-m

C. 1.2 x 10~8 Q-m

D. 1.4 x 10~8 Q-m

A. None of the above

B. power

C. current

B. increases in the branch of the lowest resistance

C. increases in each branch

D. is zero in the highest resistive branch

B. 1/9 times

C. unchanged

D. 3 times

A. remain constant

B. none of the above

C. decrease

A. series

C. series-parallel

D. end-to-end

A. Thermistor

B. Variable resistors

D. Varistors

B. mechanical noise of high intensity

C. both mechanical noise and arc between contacts

D. none of the above

A. any value

B. low

C. very low

A. Metallic alloys

B. Liquid metals

C. Compounds of silver

B. positive temperature coefficient

C. negative temperature coefficient

D. variable temperature coefficient

A. Capacitor

C. Inductor

D. Reactor

A. become zero

B. reduce

D. increase

A. 60 m

B. 80 m

C. 40 m

A. for inductive circuits

C. as heating elements

D. as current stabilizers

B. resistance

C. capacitance

D. impedance

B. temperature of material is decreased

C. temperature of material is increased

D. none of the above is correct

A. copper and silver

B. lead and zinc

D. chromium and vanadium

A. capacitance : henry

B. inductance : farad

D. lumen : steradian

A. it takes in proton

B. it gives away positive charge

C. its atoms are removed

A. the unit length of wire

B. a cube of copper

C. a cube of carbon

A. 100 W lamp will glow brighter

C. Both lamps will glow equally bright

D. 40 W lamp will fuse

A. two metal particles

B. two molecules

C. two atoms

B. the magnitude of current flowing through it

C. both A. and (b)

D. none of the above

B. remain same

C. decrease

D. heater will burn out

B. magnitude and direction of current changes with time

C. magnitude of current remains constant

D. magnitude of current changes with time

A. 160 ohms

B. 80 ohms

C. 20 ohms

A. I2R2t

B. I2Rf

C. I2R2t*

B. Voltage

C. Power

D. Resistance

A. ohms/C

B. mhos/ohmC

C. mhos/C

A. to prevent leakage of current

B. to prevent shock

D. none of above factors

B. any electron from the orbit

C. second electron from the orbit

D. first electron from the orbit

A. small resistors

B. D. C. circuits

D. high currents

A. remains same

B. increases

D. none of the above

B. super-conducto

C. semi-conductor

D. insulator

B. A semi-conductor is a material made of alternate layers of conducting material and insulator

C. A semi-conductor is a material which has conductivity having average value of conductivity of metal and insulator

D. A semi-conductor is one which conducts only half of the applied voltage

A. mutual collisions between metal atoms

B. mutual collisions between conducting electrons

C. the release of conduction electrons from parent atoms

A. current through supply line flows at slower speed

B. supply wires are made of superior material

D. supply wiring is covered with insulation layer