Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.4 ohm 0.8 ohm 1.0 ohm 0.6 ohm 0.4 ohm 0.8 ohm 1.0 ohm 0.6 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. Positive Negative None of the listed here Zero Positive Negative None of the listed here Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three resistance of 10 ohms, 15 ohms, and 30 ohm are connected in parallel. The total resistance of the combination is 55 ohms 10 ohms 15 ohms 5 ohms 55 ohms 10 ohms 15 ohms 5 ohms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 2 : 5 4 : 25 5 : 2 25 : 4 2 : 5 4 : 25 5 : 2 25 : 4 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electric filament bulb can be worked from DC supply only AC supply only Battery supply only All of the listed here DC supply only AC supply only Battery supply only All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to High voltage circuits Circuits with low current densities Vaccum tubes Carbon resistors High voltage circuits Circuits with low current densities Vaccum tubes Carbon resistors ANSWER DOWNLOAD EXAMIANS APP
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