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Powers, Resistance, Capacitors and Inductance


Quiz Questions

1. Suppose 200 J of energy is consumed in 10 seconds. What would be the power in watts?
0.2 W
2 W
20 W
2000 W
2. If a circuit has a known voltage of 24 volts and a current of 2 amps, then the power in the circuit will be?
28 W
36 W
42 W
48 W
3. Electrical energy can be produced in a number of methods. Which of the following are most common?
Pressure source
Chemical source
Thermal source
All the above
4. The following figure represents _______________.?
PDH CE Course - Powers, Resistance, Capacitors and Inductance 1
Fixed Resistor
Tapered potentiometer
Thermistor
None of the above
5. The following figure represents __________________.?

PDH CE Course - Powers, Resistance, Capacitors and Inductance 2

Fuse
Circuit breaker
Thermistor
Resistor
6. Calculate the total resistance for two resistors in parallel, where resistances of the two resistors are 500 Ω and 400 Ω respectively.
22.22 Ω
222.22 Ω
2222.22 Ω
None of the above
7. The following figure represents _______________.?
PDH CE Course - Powers, Resistance, Capacitors and Inductance 3
DC voltage curve
AC voltage curve
Short circuit voltage curve
8. Capacitance is measured in _____________.?
Coulombs
Farads
Volts
Joules
9. Which of the following is a Variable Capacitor?
Mica Capacitors
Ceramic Capacitors
Electrolytic Capacitors
Trimmers
10. _______________ is the basic unit of Inductance?
Farads
Joules
Henry
Amperes