Current Electricity Insulators have _______ temperature co-efficient of resistance. None of the listed here Positive Negative Zero None of the listed here Positive Negative Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Shape of cross-section Temperature Material Cross-sectional area Shape of cross-section Temperature Material Cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided None of above factors Both of the listed here To prevent leakage of current To prevent shock None of above factors Both of the listed here To prevent leakage of current To prevent shock ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.6 ohm 1.0 ohm 0.8 ohm 0.4 ohm 0.6 ohm 1.0 ohm 0.8 ohm 0.4 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The current in the circuit having constant resistance is tripled. The power increases 1/9 times 1/3 times 3 times 9 times 1/9 times 1/3 times 3 times 9 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Chemical effect Luminous effect Magnetic effect Thermal effect Chemical effect Luminous effect Magnetic effect Thermal effect ANSWER DOWNLOAD EXAMIANS APP
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