Current Electricity Ohm's law is not applicable to Circuits with low current densities Vaccum tubes High voltage circuits Carbon resistors Circuits with low current densities Vaccum tubes High voltage circuits Carbon resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The electrical energy required to heat a bucket of water to a certain temperature is 4 kWh. If the heat losses are 20 percent, the energy input is 6 kWh 5 kWh 3.2 kWh 2 kWh 6 kWh 5 kWh 3.2 kWh 2 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V. Which of the following statement is correct? 40 W lamp will glow brighter Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will fuse 40 W lamp will glow brighter Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will fuse ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A field of force can exist only between Two atoms Two ions Two metal particles Two molecules Two atoms Two ions Two metal particles Two molecules ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is About 2 ohms per degree Positive Zero Negative About 2 ohms per degree Positive Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric pressure is also called Resistance Energy Voltage Power Resistance Energy Voltage Power ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS