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 100 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will fuse 40 W lamp will glow brighter 100 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will fuse ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Vaccum tubes Circuits with low current densities Carbon resistors High voltage circuits Vaccum tubes Circuits with low current densities Carbon resistors High voltage circuits ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open All three bulbs will light The other two bulbs will light There will be heavy current in the main line Rest of the two bulbs will not light All three bulbs will light The other two bulbs will light There will be heavy current in the main line Rest of the two bulbs will not light 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 Zero Positive Negative About 2 ohms per degree Zero Positive Negative About 2 ohms per degree ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of two wires is 25 Ω when connected in series and 6 Ω when joined in parallel. The resistance of each wire is 5 Ω, 10 Ω 10 Ω, 20 Ω 20 Ω, 30 Ω 10 Ω, 15 Ω 5 Ω, 10 Ω 10 Ω, 20 Ω 20 Ω, 30 Ω 10 Ω, 15 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Shape of cross-section Material Temperature Cross-sectional area Shape of cross-section Material Temperature Cross-sectional area ANSWER DOWNLOAD EXAMIANS APP