A. infinite
B. zero
C. finite
D. depends upon nature
Related Mcqs:
- The value of resistivity for insulator is of the order of____________?
A. 105 ohm metre
B. 106 ohm metre
C. 107 ohm metre
D. 108 ohm metre - Internal resistance is the resistance offered by________________?
A. source of EMF
B. conductor
C. resistor
D. capacitor - The deflection for 50 division of galvanometer is decreased to 25 divisions by shunt resistance of 12Ω. Galvanometer resistance is_____________?
A. 18Ω
B. 30Ω
C. 24Ω
D. 12Ω - Why should a resistance be introduced in a circuit in series deliberately ?
A. to increase current
B. to decrease current
C. to control current
D. just to give a good look to circuit - Which one of the following bulbs has the least resistance ?
A. 100 watt
B. 200 watt
C. 300 watt
D. 60 watt - Resistance of a conductor depends upon_________________?
A. nature of conductor
B. dimension of conductor
C. physical state of the conductor
D. all of above - A wire of uniform area of cross-section A length L and resistance R is cut into two parts. Resistivity of each part _________________?
A. remains the same
B. is doubled
C. is halved
D. becomes zero - Resistance of a super conductor is ______________________?
A. finite
B. infinite
C. zero
D. changes with every conductor - Resistance of a wire on increasing its temperature will_________________?
A. increase with rise in temperature
B. decrease with rise in temperature
C. will remain same
D. depends upon altitude of experimentation - The resistance of a conductor at absolute zero (OK) is________________?
A. zero almost
B. infinite almost
C. no prediction at all
D. may increase or decrease
