Conductance is reciprocal of____________?
Conductance is reciprocal of____________?
A. resistance
B. inductance
C. reluctance
D. capacitance
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Conductance : mho :: ____________?
Conductance : mho :: ____________?
A. resistance : ohm
B. capacitance : henry
C. inductance : farad
D. lumen : steradianThree 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open_________________?
Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open_________________?
A. there will be heavy current in the main line
B. rest of the two bulbs will not light
C. all three bulbs will light
D. the other two bulbs will lightThe unit of resistivity is
The unit of resistivity is
A. Ω.
B. Ω – metre.
C. Ω / metre.
D. Ω / m².The hot resistance of the bulb’s filament is higher than its cold resistance because the temperature co-efficient of the filament is___________________?
The hot resistance of the bulb’s filament is higher than its cold resistance because the temperature co-efficient of the filament is___________________?
A. zero
B. negative
C. positive
D. about 2 ohms per degreeWhich of the following quantities remain the same in all parts of a series circuit ____________?
Which of the following quantities remain the same in all parts of a series circuit ____________?
A. Voltage
B. Current
C. Power
D. ResistanceTwo resistors are said to be connected in series when___________?
Two resistors are said to be connected in series when___________?
A. same current passes in turn through both
B. both carry the same value of current
C. total current equals the sum of branch currents
D. sum of IR drops equals the applied e.m.f.