Current Electricity Conductivity is the reciprocal of Resistivity Current density None of the listed here Resistance Resistivity Current density None of the listed here Resistance 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 Equal to the atomic number of the atom None of these Equal to the charge of the number of electrons in an atom (#) zero Equal to the charge of an electron Equal to the atomic number of the atom None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Small resistors Semi-conductors High currents Dc circuits Small resistors Semi-conductors High currents Dc circuits 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 20 Ω, 30 Ω 10 Ω, 20 Ω 10 Ω, 15 Ω 5 Ω, 10 Ω 20 Ω, 30 Ω 10 Ω, 20 Ω 10 Ω, 15 Ω 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 Positive About 2 ohms per degree Negative Zero Positive About 2 ohms per degree 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 1.6 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.4 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP