Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 200 V 150 V 50 V 100 V 200 V 150 V 50 V 100 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. Positive Negative None of the listed here Zero Positive Negative None of the listed here Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The maximum current rating for a 10 kΩ, 0.5 W resistor is 0.707 mA 28.28 mA 14.14 mA 7.07 mA 0.707 mA 28.28 mA 14.14 mA 7.07 mA ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Shape of cross-section Cross-sectional area Temperature Material Shape of cross-section Cross-sectional area Temperature Material ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In case of liquids, ohm's law is Fully obeyed There is no relation between current and p. d None of the listed here Partially obeyed Fully obeyed There is no relation between current and p. d None of the listed here Partially obeyed ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 0.6 1.5 1 0.5 0.6 1.5 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
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