Current Electricity Which method can be used for absolute measurement of resistances? Lorentz method Releigh method Ohm's law method Wheastone bridge method Lorentz method Releigh method Ohm's law method Wheastone bridge method ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Inductance Impedance Resistance Capacitance Inductance Impedance Resistance Capacitance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The electrical energy required to heat a bucket of water to a certain temperature is 4 kWh. If the heat losses are 20 percent, the energy input is 3.2 kWh 2 kWh 6 kWh 5 kWh 3.2 kWh 2 kWh 6 kWh 5 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Circuits with low current densities Vaccum tubes Carbon resistors High voltage circuits Circuits with low current densities Vaccum tubes Carbon resistors High voltage circuits ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is the same as propagation velocity of electric energy independent of current strength of the order of a few ^.s/m nearly 3 x 108 m/s the same as propagation velocity of electric energy independent of current strength of the order of a few ^.s/m nearly 3 x 108 m/s ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has Negligibly small temperature co-efficient of resistance High melting point High specific resistance Low specific resistance Negligibly small temperature co-efficient of resistance High melting point High specific resistance Low specific resistance ANSWER DOWNLOAD EXAMIANS APP
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