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

All electrical appliances are connected in parallel to each other between the main line and neutral wire to get ______________________?

A. Same current
B. Same current and potential difference
C. Different current but same potential difference
D. Different current and potential differences

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

When same current passes for same time through a thick and thin wire_________________?

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

One kilowatt hour is the amount of energy delivered during _______________?

A. One second
B. One day
C. One minute
D. One hour

Resistance of a super conductor is ______________________?

A. Finite
B. Infinite
C. Zero
D. Changes with every conductor

If 1 ampere current flows through 2m long conductor the charge flow through it in 1 hour will be_______________?

A. 3600c
B. 7200c
C. 1c
D. 2c

An immersion heater of 400 watts kept on for 5 hours will consume electrical power of __________________?

A. 2kwh
B. 20kwh
C. 6kwh
D. 12kwh

Resistance of an ideal insulator is __________________?

A. Infinite
B. Zero
C. Finite
D. Depends upon nature