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 9 Ω 10 Ω 11 Ω 12.1 Ω 9 Ω 10 Ω 11 Ω 12.1 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is 4.6 A, 6.9 A 4.6 A, 9.6 A 6.4 A, 9.6 A 6.4 A, 6.9 A 4.6 A, 6.9 A 4.6 A, 9.6 A 6.4 A, 9.6 A 6.4 A, 6.9 A ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For which of the following 'ampere second' could be the unit? Power Charge Energy Reluctance Power Charge Energy Reluctance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Metallic resistor Variable resistor Carbon resistor Wire wound resistor Metallic resistor Variable resistor Carbon resistor Wire wound resistor ANSWER DOWNLOAD EXAMIANS APP
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 With rise in temperature the resistance of pure metals Remains constant First increases and then decreases Decreases Increases Remains constant First increases and then decreases Decreases Increases ANSWER DOWNLOAD EXAMIANS APP