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 Heater will burn out Decreases Remains same Increases Heater will burn out Decreases Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will Decrease Increase Remain constant None of these Decrease Increase Remain constant None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The minimum charge on an ion is Equal to the charge of the number of electrons in an atom (#) zero Equal to the charge of an electron None of these Equal to the atomic number of the atom Equal to the charge of the number of electrons in an atom (#) zero Equal to the charge of an electron None of these Equal to the atomic number of the atom ANSWER DOWNLOAD EXAMIANS APP
Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 200 V 50 V 150 V 100 V 200 V 50 V 150 V 100 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Silicon carbide Nichrome Graphite Charcoal Silicon carbide Nichrome Graphite Charcoal ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Varistors are Non-linear resistors Resistor with zero temperature co-efficient Carbon resistors Insulators Non-linear resistors Resistor with zero temperature co-efficient Carbon resistors Insulators ANSWER DOWNLOAD EXAMIANS APP