Current Electricity Resistance of a material always decreases if None of these Number of free electrons available becomes more Temperature of material is decreased Temperature of material is increased None of these Number of free electrons available becomes more Temperature of material is decreased Temperature of material is increased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 10 ohm 200 ohm 25 ohm 1000 ohm 10 ohm 200 ohm 25 ohm 1000 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Copper Carbon Manganin Porcelain Copper Carbon Manganin Porcelain ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is 33 V 66 V 80 V 132 V 33 V 66 V 80 V 132 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of 220 V, 100 W lamp will be 484 ft 4840 Q 4.84 Q 48.4 Q 484 ft 4840 Q 4.84 Q 48.4 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In the case of direct current Magnitude of current remains constant Magnitude of current changes with time Magnitude and direction of current changes with time Magnitude and direction of current remains constant Magnitude of current remains constant Magnitude of current changes with time Magnitude and direction of current changes with time Magnitude and direction of current remains constant ANSWER DOWNLOAD EXAMIANS APP
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