A. finite
B. infinite
C. zero
D. changes with every conductor
Resistance of a super conductor is ______________________? Read More »
Current Electricity, Physics Mcqs A. 144000J
B. 144J
C. 1.44J
D. 14J
How much heat does a 40 W bulb generates in one hour ? Read More »
Current Electricity, Physics Mcqs A. one second
B. one day
C. one minute
D. one hour
One kilowatt hour is the amount of energy delivered during _______________? Read More »
Current Electricity, Physics Mcqs A. more heat is produced in thick wire
B. more heat is produced in thin wire
C. no heat is produced in wire
D. less heat is produced in thick wire
When same current passes for same time through a thick and thin wire_________________? Read More »
Current Electricity, Physics Mcqs A. remains the same
B. is doubled
C. is halved
D. becomes zero
A. nature of conductor
B. dimension of conductor
C. physical state of the conductor
D. all of above
Resistance of a conductor depends upon_________________? Read More »
Current Electricity, Physics Mcqs A. same current
B. same current and potential difference
C. different current but same potential difference
D. different current and potential differences
A. to increase current
B. to decrease current
C. to control current
D. just to give a good look to circuit
Why should a resistance be introduced in a circuit in series deliberately ? Read More »
Current Electricity, Physics Mcqs A. 3600C
B. 7200C
C. 1C
D. 2C
A. constantan
B. nichrome
C. copper
D. tungsten
Which one of the following materials is useful for making bulb filaments ? Read More »
Current Electricity, Physics Mcqs