148. In a pure inductive circuit, the current will
A. lage behind the voltage by 90?
B. lead the voltage by 90?
C. remain in phase with the voltage
D. lag or lead the applied voltage

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149. A circuit component that opposes the change in circuit voltage is
A. resistance
B. capacitance
C. inductance
D. all of these

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150. An instaneous change in voltage is not possible in
A. a resistor
B. an inductor
C. a capacitor
D. a current source

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151. In a pure capactive circuit
A. Power consumed in zero
B. Heat produced is zero
C. Work done is zero
D. All of these

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152. In a pure capacitive circuit, the current will
A. lag behind the voltage by 90?
B. lead the voltage by 90?
C. remain in phase with voltage
D. none of these

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153. The pf a practical inductor is
A. unity
B. zero
C. lagging
D. leading

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154. A circuit of zero lagging power factor behaves as
A. an inductive circuit
B. a capacitive circuit
C. R-L circuit
D. R-C circuit

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