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 0.5 1.5 0.6 1 0.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load Remains same Decreases None of these Increases Remains same Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A closed switch has a resistance of About 50 ohms Zero About 500 ohms Infinity About 50 ohms Zero About 500 ohms Infinity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electrical current is due to the flow of Negative charges only Positive charges only Neutral particles only Both positive and negative charges Negative charges only Positive charges only Neutral particles only Both positive and negative charges ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Graphite Charcoal Silicon carbide Nichrome Graphite Charcoal Silicon carbide Nichrome ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current is a Scalar quantity Vector quantity Number only Sometimes scalar and sometimes vector Scalar quantity Vector quantity Number only Sometimes scalar and sometimes vector ANSWER DOWNLOAD EXAMIANS APP