Three 6 ohm resistors are connected to form a triangle. What is the resistance between any two corners ___________?

A. 3/2 q
B. 6 q
C. 4 q
D. 8/3 q

Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be_________________?

A. 9 times
B. 1/9 times
C. 1/3 times
D. 3 times

International ohm is defined in terms of the resistance of________________?

A. A column of mercury
B. A cube of carbon
C. A cube of copper
D. The unit length of wire

A substance whose molecules consist of dissimilar atoms is called____________?

A. Semi-conductor
B. Super-conducto
C. Compound
D. Insulator

A field of force can exist only between_____________?

A. Two molecules
B. Two ions
C. Two atoms
D. Two metal particles

When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will___________?

A. Decrease
B. Increase
C. Remain constant
D. None of the above

Copper wire of certain length and resistance is drawn out to three times its length without change in volume, the new resistance of wire becomes__________?

A. 1/9 times
B. 3 times
C. 9 times
D. Unchanged

Sparking occurs when a load is switched off because the circuit has high_________?

A. Resistance
B. Inductance
C. Capacitance
D. Impedance

Switching of a lamp in house produces noise in the radio. This is because switching operation produces________?

A. Arcs across separating contacts
B. Mechanical nosie of high intensity
C. Both mechanical nosie and arc between contacts
D. None of the above

Deficiency of Vitamin-D results in __________?

A. Night blindness
B. Rickets
C. Scurvy
D. Hair fall