Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load Decreases Remains same None of these Increases Decreases Remains same None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Varistors Semiconductors Thermistor Variable resistors Varistors Semiconductors Thermistor Variable resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals First increases and then decreases Remains constant Decreases Increases First increases and then decreases Remains constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Material Shape of cross-section Temperature Cross-sectional area Material Shape of cross-section Temperature Cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
Current Electricity E. M. F. In a circuit Maintains potential difference Increases circuit resistance Decrease circuit resistance None of the listed here Maintains potential difference Increases circuit resistance Decrease circuit resistance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 200 ohm 25 ohm 1000 ohm 10 ohm 200 ohm 25 ohm 1000 ohm 10 ohm ANSWER DOWNLOAD EXAMIANS APP
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