Current Electricity The minimum charge on an ion is None of these Equal to the charge of the number of electrons in an atom (#) zero Equal to the atomic number of the atom Equal to the charge of an electron None of these Equal to the charge of the number of electrons in an atom (#) zero Equal to the atomic number of the atom Equal to the charge of an electron ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electrical current is due to the flow of Negative charges only Both positive and negative charges Neutral particles only Positive charges only Negative charges only Both positive and negative charges Neutral particles only Positive charges only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a material always decreases if Number of free electrons available becomes more Temperature of material is increased None of these Temperature of material is decreased Number of free electrons available becomes more Temperature of material is increased None of these Temperature of material is decreased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Wattmeter Rheostat Galvanometer Voltmeter Wattmeter Rheostat Galvanometer Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best conductor of electricity? Copper Zinc Gold Silver Copper Zinc Gold Silver ANSWER DOWNLOAD EXAMIANS APP
Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 200 V 150 V 100 V 50 V 200 V 150 V 100 V 50 V ANSWER DOWNLOAD EXAMIANS APP