Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 1 1.5 0.6 0.5 1 1.5 0.6 0.5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 1000 Ω 800 Ω 600 Ω 400 Ω 1000 Ω 800 Ω 600 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Zero temperature coefficient Positive temperature coefficient Variable temperature coefficient Negative temperature coefficient Zero temperature coefficient Positive temperature coefficient Variable temperature coefficient Negative temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Ohm's law method Wheastone bridge method Releigh method Lorentz method Ohm's law method Wheastone bridge method Releigh method Lorentz method ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An open resistor, when checked with an ohmmeter reads High but within tolerance Zero Infinite Low but not zero High but within tolerance Zero Infinite Low but not zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.4 ohm 0.6 ohm 0.8 ohm 1.0 ohm 0.4 ohm 0.6 ohm 0.8 ohm 1.0 ohm ANSWER DOWNLOAD EXAMIANS APP
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