A. Voltage source
B. Current source
C. Both
D. None of these.
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0 If P is the power of a star connected system then what will be power of an equivalent delta connected system?
1 Magnetic flux has the unit of
A. P
B. 3P
C. P/3
D. None of the above
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0 The voltage induced in an inductor is represented as,
A. Newton
B. Ampere-turn
C. Weber
D. Tesla
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0 Instantaneous power in inductor is proportional to the
A. product of its inductance and current through it.
B. ratio of its inductance to the current through it.
C. ratio of the current through it to its inductance.
D. product of its inductance and rate of change of current through it.
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0 The unit of resistivity is
A. product of the instantaneous current and rate of change of current.
B. square of instantaneous current.
C. square of the rate of change of current.
D Temperature of the inductor.
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0 How many coulombs of charge flow through a circuit carrying a current of 10 A in 1 minute?
A. Ω.
B. Ω – metre.
C. Ω / metre.
D. Ω / m².
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5 The resistance of a conductor of diameter d and length l is R Ω. If the diameter of the conductor is halved and its length is doubled, the resistance will be
A. 10
B. 60
C. 600
D. 1200
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