Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load Increases None of these Remains same Decreases Increases None of these Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best conductor of electricity? Zinc Gold Silver Copper Zinc Gold Silver Copper 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 Remains same Decreases Increases Heater will burn out Remains same Decreases Increases Heater will burn out ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. Negative None of the listed here Zero Positive Negative None of the listed here Zero Positive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A wire having very high value of conductance is said to be Insulator Very good conductor Moderately good conductor None of the listed here Insulator Very good conductor Moderately good conductor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three resistance of 10 ohms, 15 ohms, and 30 ohm are connected in parallel. The total resistance of the combination is 10 ohms 55 ohms 5 ohms 15 ohms 10 ohms 55 ohms 5 ohms 15 ohms ANSWER DOWNLOAD EXAMIANS APP