Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.4% 0.3% 0.2% None of the listed here 0.4% 0.3% 0.2% None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open There will be heavy current in the main line Rest of the two bulbs will not light All three bulbs will light The other two bulbs will light There will be heavy current in the main line Rest of the two bulbs will not light All three bulbs will light The other two bulbs will light 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 Remains same Decreases None of these Increases Remains same Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ampere-hour is the unit of Strength of current Energy Power Quantity of electricity Strength of current Energy Power Quantity of electricity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals First increases and then decreases Decreases Increases Remains constant First increases and then decreases Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are used For inductive circuits To suppress surges As heating elements As current stabilizers For inductive circuits To suppress surges As heating elements As current stabilizers ANSWER DOWNLOAD EXAMIANS APP
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