Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.4 ohm 0.8 ohm 0.6 ohm 1.0 ohm 0.4 ohm 0.8 ohm 0.6 ohm 1.0 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Wheastone bridge method Lorentz method Releigh method Ohm's law method Wheastone bridge method Lorentz method Releigh method Ohm's law method ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Copper Zinc Mercury Lead Copper Zinc Mercury Lead ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Rheostat Wattmeter Voltmeter Galvanometer Rheostat Wattmeter Voltmeter Galvanometer ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Carbon Porcelain Copper Manganin Carbon Porcelain Copper Manganin ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are used As heating elements As current stabilizers For inductive circuits To suppress surges As heating elements As current stabilizers For inductive circuits To suppress surges ANSWER DOWNLOAD EXAMIANS APP