Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 0.5 0.6 1 1.5 0.5 0.6 1 1.5 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 Increases Remains same Heater will burn out Decreases Increases Remains same Heater will burn out Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Mercury Copper Lead Zinc Mercury Copper Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Nichrome Charcoal Graphite Silicon carbide Nichrome Charcoal Graphite Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All of the following are equivalent to watt except Amperes/volt Joules/sec. Amperes × volts (Amperes) ohm Amperes/volt Joules/sec. Amperes × volts (Amperes) ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Cross-sectional area Shape of cross-section Material Temperature Cross-sectional area Shape of cross-section Material Temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS