Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 40 W 20 W 10 W 60 W 40 W 20 W 10 W 60 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is 4.6 A, 6.9 A 6.4 A, 6.9 A 4.6 A, 9.6 A 6.4 A, 9.6 A 4.6 A, 6.9 A 6.4 A, 6.9 A 4.6 A, 9.6 A 6.4 A, 9.6 A ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Cross-sectional area Shape of cross-section Temperature Material Cross-sectional area Shape of cross-section Temperature Material ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a copper wire 200 m long is 21 ω. If its thickness (diameter) is 0.44 mm, its specific resistance is around 1.4 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.6 x 10-8 ω-m 1.4 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.6 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Zero temperature coefficient Negative temperature coefficient Positive temperature coefficient Variable temperature coefficient Zero temperature coefficient Negative temperature coefficient Positive temperature coefficient Variable temperature coefficient 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 Negative Zero About 2 ohms per degree Positive Negative Zero About 2 ohms per degree Positive ANSWER DOWNLOAD EXAMIANS APP
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