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Kerala (English Medium) Questions

Total Questions 4624
a battery of emf 10v &internal resistances 3ohm is connected to a resistor if the current in the circuit is .5A what is the resistance of the resistor ? what is the terminal voltage of the battery when the circuit is closed
3 resistors 1 ohm,2ohm,&3ohm are combined in series.if the combination is connected to a battery of emf 20v&negligible internal resistance,obtain the potential drop across each resistor
3 RESISTORS 2OHM,4OHM&5OHM ARE IN PARALLEL .IF THE COMBINATION IS CONNECTED TO BATTERY OF EMF 20V &NEGLIGIBLE INTERNAL RESISTANCE ,FIND THE CURRENT THROUGH EACH RESISTOR ,&THE TOTAL CURRENT DRAWN FROM THE BATTERY
3 RESISTORS 1OHM,2OHM,&3OHM ARE COMBINED IN SERIES. IF THE COMBINATION IS CONNECTED TO A BATTERY OF EMF 12V &NEGLIGIBLE INTERNAL RESISTANCE ,FIND CURRENT THROUGH EACH RESISTOR ,&THE TOTAL CURRENT DRAWN FROM THE BETTARY
A negligible small current is passing through a wire of length 15m& -7 2 uniform cross-section 6.0*10 m .&its resistance is measured to be 5.0(Ohm) what is the resistivity of the material at the temperature of the experiment
A SILVER WIRE HAS A RESISTANCE OF 2.1(OHM) AT27.5 DEGREE C .&A RESISTANCE OF 2.7(OHM) AT 100 DEGREE C.DETERMINE THE TEMPERATURE COEFFICIENT OF RESISTIVITY OF SILVER ?
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