# 2nd PUC Physics Series-9

#### PUC Science 2nd Year Physics Series-9 quiz

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2nd PUC Physics Series 9

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81. A galvanometer acting as a volt meter will have with its coil.

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82. When three identical bulbs of 60 W, 200 V rating are connected in series to a 200 V supply, the power drawn by them will be:

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83.  n resistances, each of R Ω, are connected in parallel gives an equivalent resistance of R Ω. If these resistances were , connected in series, the combination would have a resistance in Ω is equal to

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84. Why is the Wheatstone bridge more accurate than other methods of measuring resistances: ‘

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85. A potential difference of 10 V is applied across a conductance of 2 S. The current in the conductor will be :

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86. Ohm’s law is valid when the temperature of conductor is :

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87 The emf of a car battery is about:

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88. Emf is measured in :

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89. 1 kilowatt hour is commonly known as :

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90. How many joules are equal to I kWh ?