Current Electricity With rise in temperature the resistance of pure metals First increases and then decreases Increases Remains constant Decreases First increases and then decreases Increases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. None of the listed here Zero Negative Positive None of the listed here Zero Negative Positive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A wire having very high value of conductance is said to be Moderately good conductor Very good conductor None of the listed here Insulator Moderately good conductor Very good conductor None of the listed here Insulator ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electrical lamp coonsumes 100 W of power. If the supply voltage is 220 V the energy consumed in 30 minutes is 5 kWh 0.005 kWh 5 kWh 0.05 kWh 5 kWh 0.005 kWh 5 kWh 0.05 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The SI unit of power is Henry Watt-hour Coulomb Watt Henry Watt-hour Coulomb Watt ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open All three bulbs will light Rest of the two bulbs will not light The other two bulbs will light There will be heavy current in the main line All three bulbs will light Rest of the two bulbs will not light The other two bulbs will light There will be heavy current in the main line ANSWER DOWNLOAD EXAMIANS APP
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