1) If a pure parallel circuit with three resistors, the equivalent resistor is;

1.d)none of the above 2.a)decreases 3.c)remains the same 4.c) both a and b

ID: 2301007 • Letter: 1

Question

1) If a pure parallel circuit with three resistors, the equivalent resistor is;

a) smaller than the smallest resistor

b) equal to the smallest resistor

c) equal to the largest resistor

d)none of the above

2) For a given length of copper wire, if the diameter is increaed, the resistance of the wire;

a)decreases

b)remains the same

c)always doubles

d)increases

3) A series circuit has a 10 V battery, If the battery voltage is doubled, the total resistance of the circuit

a) increases

b)decreases

c)remains the same

d)cut in half

4) Four equal resistors and a battery are connected in series. For this circuit;

a)the current through each circuit is the same

b)the voltage across each resistor is the same

c) both a and b

d)none of these

1.d)none of the above

2.a)decreases

3.c)remains the same

4.c) both a and b

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