A. Copper
B. Gold
C. Silver
D. Paper
Related Mcqs:
- Insulating materials have the function of______________?
A. preventing a short circuit between conducting wires
B. preventing an open circuit between the voltage source and the load
C. conducting very large currents
D. storing very high currents - Insulating materials have the function of___________?
A. preventing a short circuit between conducting wires
B. preventing an open circuit between the voltage source and the load
C. conducting very large currents
D. storing very high currents - Which of the following has no units?
A. Permeability
B. Moment of a magnet
C. Magnetic susceptibility
D. Permittivity - Which of the following quantities consists of SI unit as WATT ?
A. Force
B. Charge
C. Current
D. Power - Out of the following which is not a poor conductor__________?
A. Cast iron
B. Copper
C. Carbon
D. Tungsten - Which of the following material has nearly zero temperature co-efficient of resistance_________?
A. Manganin
B. Porcelain
C. Carbon
D. Copper - Which of the following materials has a negative temperature co-efficient of resistance?
A. Copper
B. Aluminum
C. Carbon
D. Brass - For which of the following ‘ampere second’ could be the unit ?
A. Reluctance
B. Charge
C. Power
D. Energy - The four bulbs of 40 W each are connected in series swift a battery across them, which of the following statement is true_______________?
A. The current through each bulb in same
B. The voltage across each bulb is not same
C. The power dissipation in each bulb is not same
D. None of the above - Which of the following quantities remain the same in all parts of a series circuit ____________?
A. Voltage
B. Current
C. Power
D. Resistance
