Electrical Series and Parallel Circuits MCQ - Set 02 - ObjectiveBooks

Practice Test: Question Set - 02

1. The parallel combination of a 470 Î© resistor and a 680 Î© resistor is in series with the parallel combination of four 2 kÎ© resistors. The total resistance is

2. The parallel combination of a 470 Î© resistor and a 1.5 kÎ© resistor is in series with the parallel combination of five 1 kÎ© resistors. The source voltage is 50 V. The percentage of the load current through any single 1 KÎ© resistor is
(A) 25 %
(B) 20 %
(C) 100 %
(D) 50 %

3. A smaller-value load resistor will cause the output voltage to change more than a larger-value one.
(A) True
(B) False

4. A galvanometer is a meter that measures small amounts of voltage.
(A) True
(B) False

5. A 12 kÎ© resistor, a 15 kÎ© resistor, and a 22 kÎ© resistor are in series with two 10 kÎ© resistors that are in parallel. The source voltage is 75 V. Current through the 15 kÎ© resistor is approximately
(A) 14 mA
(B) 1.4 mA
(C) 5 mA
(D) 50 mA

6. The parallel combination of a 470 Î© resistor and a 1.2 kÎ© resistor is in series with the parallel combination of three 3 kÎ© resistors. A 200 V source is connected across the circuit. The resistor with the most current has a value of

7. To derive 18 V and 12 V from a 24 V supply requires a voltage divider with three taps.
(A) True
(B) False

8. The higher the range setting, the less the internal resistance and the greater the load effect of the voltmeter on a circuit.
(A) True
(B) False

9. The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is