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