A. Cast iron
B. Copper
C. Carbon
D. Tungsten
Related Mcqs:
- 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 an insulating material____________?
A. Copper
B. Gold
C. Silver
D. Paper - Which of the following material has nearly zero temperature co-efficient of resistance_________?
A. Manganin
B. Porcelain
C. Carbon
D. Copper - For which of the following ‘ampere second’ could be the unit ?
A. Reluctance
B. Charge
C. Power
D. Energy - All of the following are equivalent to watt except_____________?
A. (amperes) ohm
B. joules/seC.
C. amperes x volts
D. amperes/volt - Which of the following statement is true________________?
A. A galvanometer with low resistance in parallel is a voltmeter
B. A galvanometer with high resistance in parallel is a voltmeter
C. A galvanometer with low resistance in series is an ammeter
D. A galvanometer with high resistance in series is an ammeter - 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 - Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct ?
A. 100 W lamp will glow brighter
B. 40 W lamp will glow brighter
C. Both lamps will glow equally bright
D. 40 W lamp will fuse
