Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 4 : 25 5 : 2 25 : 4 2 : 5 4 : 25 5 : 2 25 : 4 2 : 5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Variable temperature coefficient Negative temperature coefficient Zero temperature coefficient Positive temperature coefficient Variable temperature coefficient Negative temperature coefficient Zero temperature coefficient Positive temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are used As current stabilizers As heating elements For inductive circuits To suppress surges As current stabilizers As heating elements For inductive circuits To suppress surges ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Constantan Copper Carbon Silver Constantan Copper Carbon Silver ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as Five joules One joule One joule second One watt Five joules One joule One joule second One watt ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Cast iron Tungsten Copper Carbon Cast iron Tungsten Copper Carbon ANSWER DOWNLOAD EXAMIANS APP
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