Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Remains same Heater will burn out Decreases Increases Remains same Heater will burn out Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load Increases Decreases None of these Remains same Increases Decreases None of these Remains same ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current is a Scalar quantity Number only Sometimes scalar and sometimes vector Vector quantity Scalar quantity Number only Sometimes scalar and sometimes vector Vector quantity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is None of the listed here Negative Positive Zero None of the listed here Negative Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a conductor varies inversely as Resistivity Are of cross-section Length Temperature Resistivity Are of cross-section Length Temperature ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other? 18 Q 64 Q 36 Q 48 Q 18 Q 64 Q 36 Q 48 Q ANSWER DOWNLOAD EXAMIANS APP
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