Electronic Principles - Section 4 | Multiple Questions and Answers

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

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

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

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