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.Management Sciences
A. to prevent leakage of current
B. to prevent shock
C. both of above factors
D. none of above factors
Related Mcqs:
- Which of the followings is/are active element?
- A. Voltage source B. Current source C. Both D. None of these....
- An instrument which detects electric current is known as_____________?
- A. voltmeter B. rheostat C. wattmeter D. galvanometer...
- In a lamp load when more than one lamp are switched on the total resistance of the load_____________?
- A. increases B. decreases C. remains same D. none of the above...
- Two copper conductors have equal length. The cross-sectional area of one conductor is four times that of the other. If the conductor having smaller cross-sectional area has a resistance of 40 ohms the resistance of other conductor will be_____________?
- A. 160 ohms B. 80 ohms C. 20 ohms D. 10 ohms...
- The ratio of mass of proton to that of electron is nearly_____________?
- A. 1840 B. 1840 C. 30 D. 4...
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