Electronic Principles - Section 4 Multiple Questions and Answers.

Exercise Questions ::
Electronic Principles
Published by:Michael Daani
2. Which one of the following statements is true for resistance in a parallel circuit?
A. The total resistance is equal to the sum of the individual resistances in a parallel circuit. B. The total resistance of a parallel circuit is always less than the value of the smallest resistance C. The total resistance of a parallel circuit is equal to the total voltage D. The total resistance in a parallel circuit is equal to the average value of the individual resistances
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Published by:Michael Daani
3. The direction of conventional current flow is:
A. from negative to positive B. from positive to negative C. from left to right D. from neutral to positive
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4. Doubling the operating frequency of a purely inductive circuit:
A. doubles the amount of current through the inductors B. has no effect on the current through the inductors C. cuts the current through the inductors one-half D. increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit
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5. The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be:
A. One-half the primary current B. Same as the primary current C. Twice the primary current D. No more than 10% less than the primary current
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