Question – 1
1. The electrical potential is measured using ___________.
- A. a cymometer
- B. an ammeter
- C. a voltmeter
- D. a wattmeter
- Answer:C
- Answer Explanation:
Question – 2
2. ____________ is designed to be temperature sensitive which is also a resistive component.
- A. Potentiometer
- B. Rheostat
- C. Thermistor
- D. None of the above
- Answer:C
- Answer Explanation:
Question – 3
3. The positive and negative charge symbols are assigned to the _______ and _______ respectively.
- A. Proton, electron
- B. Neutron, atom
- C. Electron, proton
- D. Atom and electron
- Answer:A
- Answer Explanation:
Question – 4
4. In which of the following, resistance is measured?
- A. Amp
- B. Watt
- C. Ohm
- D. Volt
- Answer:C
- Answer Explanation:
Question – 5
5. __________ acts as the best conductor.
- A. Copper
- B. Bronze
- C. Aluminum
- D. Silver
- Answer:D
- Answer Explanation:
Question – 6
6. Current is ___________ to resistance and __________ to voltage.
- A. Directly proportional; Inversely proportional
- B. Directly proportional; Directly proportional
- C. Inversely proportional; Directly proportional
- D. Inversely proportional; Inversely proportional
- Answer:C
- Answer Explanation:
Question – 7
7. Which of the following electrical circuits has only one path for current to flow?
- A. Series circuit
- B. Parallel circuit
- C. Parallel and series circuit
- D. None of the above
- Answer:A
- Answer Explanation:
Question – 8
8. Which of the following expressions denotes electrical power?
- A. P = I x R
- B. E = P x I
- C. P = I x E
- D. I = P x E
- Answer:C
- Answer Explanation:
Question – 9
9. The infinite resistance of a circuit causes ___________.
- A. High current flow
- B. No current flow
- C. Moderate current flow
- D. None of the above
- Answer:B
- Answer Explanation:
Question – 10
10. In a parallel circuit, each device is placed in its ___________.
- A. Branches
- B. Open circuit
- C. Closed circuit
- D. Short circuit
- Answer:A
- Answer Explanation:
Question – 11
11. Which of the following is utilized for limiting current or voltage?
- A. Insulators
- B. Conductors
- C. Resistors
- D. Capacitors
- Answer:C
- Answer Explanation:
Question – 12
12. A capacitor’s opposition to the flow of current is called as ____________.
- A. Capacitive acceptance
- B. Capacitive reactance
- C. Capacitive storage
- D. Capacitive conductance
- Answer:B
- Answer Explanation:
Question – 13
13. ___________ is an electrical component that exhibits the property of self induction.
- A. Conductor
- B. Reactor
- C. Inductor
- D. Insulator
- Answer:C
- Answer Explanation:
Question – 14
14. Which of the following components is created when a P-type material is joined with an N-type material?
- A. Diode
- B. Resistor
- C. Anode
- D. Cathode
- Answer:A
- Answer Explanation:
Question – 15
15. A varistor is a ___________.
- A. Voltage dependent diode
- B. Voltage dependent resistor
- C. Current dependent resistor
- D. Current dependent diode
- Answer:B
- Answer Explanation: