# 2nd PUC Physics Series-7

#### PUC Science 2nd Year Physics Series-7 quiz

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2nd PUC Physics Series 7

TEST YOUR KNOWLEDGE OF SCIENCE

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Q.61 The electric potential of earth is taken as:

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62. The speed at which tjie current travels in a conductor is nearly:

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63. The resistance of a human body is about:

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64. The number of electrons that constitute 1 A of current is:

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65. How many different resistances are possible with two equal resistors?

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66. Given three equal resistors, how many different combinations (taken all of them together) can be made?

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67. Specific resistance of ali metals is mostly affected by:

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68. The example of a non-ohmic resistance is:

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69. If a certain piece of copper is to be shaped into a conductor of minimum resistance, its length (L) and cross-sectional area (a) shall respectively be :

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70. The specific resistance of a rod of copper as compared to that of thin wire of copper is :