Current Electricity E. M. F. In a circuit None of the listed here Increases circuit resistance Decrease circuit resistance Maintains potential difference None of the listed here Increases circuit resistance Decrease circuit resistance Maintains potential difference 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 1.8 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 1.6 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The minimum charge on an ion is None of these Equal to the charge of the number of electrons in an atom (#) zero Equal to the atomic number of the atom Equal to the charge of an electron None of these Equal to the charge of the number of electrons in an atom (#) zero Equal to the atomic number of the atom Equal to the charge of an electron ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Thermistor Semiconductors Variable resistors Varistors Thermistor Semiconductors Variable resistors Varistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove Second electron from the orbit First electron from the orbit Third electron from the orbit Any electron from the orbit Second electron from the orbit First electron from the orbit Third electron from the orbit Any electron from the orbit 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 6.4 A, 9.6 A 6.4 A, 6.9 A 4.6 A, 6.9 A 4.6 A, 9.6 A 6.4 A, 9.6 A 6.4 A, 6.9 A 4.6 A, 6.9 A 4.6 A, 9.6 A ANSWER DOWNLOAD EXAMIANS APP
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