Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 4 : 25 25 : 4 2 : 5 5 : 2 4 : 25 25 : 4 2 : 5 5 : 2 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Dc circuits Small resistors Semi-conductors High currents Dc circuits Small resistors Semi-conductors High currents 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 10 ohms 15 ohms 5 ohms 55 ohms 10 ohms 15 ohms 5 ohms 55 ohms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Atoms Nucleus Electrons and ions Electrons Atoms Nucleus Electrons and ions Electrons ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best material for making connecting wires? Nichrome Constant Manganin Copper Nichrome Constant Manganin Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Silver Constantan Carbon Copper Silver Constantan Carbon Copper ANSWER DOWNLOAD EXAMIANS APP
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