Current Electricity Ohm's law is not applicable to Dc circuits Small resistors High currents Semi-conductors Dc circuits Small resistors High currents Semi-conductors 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 1.2 x 10-8 ω-m 1.4 x 10-8 ω-m 1.8 x 10-8 ω-m 1.6 x 10-8 ω-m 1.2 x 10-8 ω-m 1.4 x 10-8 ω-m 1.8 x 10-8 ω-m 1.6 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Elements have individual currents Power are additive Voltages are additive Currents are additive Elements have individual currents Power are additive Voltages are additive Currents are additive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two resistances Rl and Ri are connected in series across the voltage source where Rl > Ri. The largest drop will be across Rl Either Rl or Ri Ri None of them Rl Either Rl or Ri Ri None of them ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are used To suppress surges As heating elements For inductive circuits As current stabilizers To suppress surges As heating elements For inductive circuits As current stabilizers ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided None of above factors To prevent leakage of current To prevent shock Both of the listed here None of above factors To prevent leakage of current To prevent shock Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS