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71
The phenomena of electromagnetic induction is . . . . . . . .
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Answer: Option C
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72
The reciprocal of resistance is called
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Answer: Option A
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73
A charge of 2 C passes from one point to the other in a circuit. If the potential difference between the two points is 5V, the amount of work done is
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Answer: Option A
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74
When do electrons move for the flow of charges in a conducting metallic wire?
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Answer: Option C
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75
A 100 watt electric bulb is used for 10 hours. What will be the cost of electricity consumed, if the consumption cost is Rs. 5 per unit?
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Answer: Option A
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76
Which one of the following devices changes low voltage alternating current to high voltage alternating current and vice-versa?
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Answer: Option C
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77
The easiest method of maintaining the electric potential difference between the two ends of a conductor is to connect it between the terminals of . . . . . . . . to get a continuous flow of current.
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Answer: Option D
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78
Which of the following solutions is not a conductor of electricity?
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Answer: Option B
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79
If the resistance of the coil is 750 ohms, how much current will flow from the 220V source to the electric heater coil?
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Answer: Option A
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80
The SI unit of . . . . . . . . is ohm?
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Answer: Option D
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