Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 150 V 200 V 50 V 100 V 150 V 200 V 50 V 100 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In case of liquids, ohm's law is Fully obeyed Partially obeyed None of the listed here There is no relation between current and p. d Fully obeyed Partially obeyed None of the listed here There is no relation between current and p. d ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be 11 Ω 9 Ω 12.1 Ω 10 Ω 11 Ω 9 Ω 12.1 Ω 10 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ampere-hour is the unit of Power Quantity of electricity Strength of current Energy Power Quantity of electricity Strength of current Energy ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Constantan Copper Silver Carbon Constantan Copper Silver Carbon ANSWER DOWNLOAD EXAMIANS APP
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