Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Manganin Carbon Porcelain Copper Manganin Carbon Porcelain Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A wire having very high value of conductance is said to be Very good conductor None of the listed here Insulator Moderately good conductor Very good conductor None of the listed here Insulator Moderately good conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In the case of direct current Magnitude and direction of current changes with time Magnitude of current remains constant Magnitude of current changes with time Magnitude and direction of current remains constant Magnitude and direction of current changes with time Magnitude of current remains constant Magnitude of current changes with time Magnitude and direction of current remains constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity No current flow between two charged bodies if they have same Potential Charge Capacity None of the listed here Potential Charge Capacity None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Decreases Increases Remains same Heater will burn out Decreases Increases Remains same Heater will burn out ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of 220 V, 100 W lamp will be 4.84 Q 4840 Q 484 ft 48.4 Q 4.84 Q 4840 Q 484 ft 48.4 Q ANSWER DOWNLOAD EXAMIANS APP