Electric Circuits Specific resistance is measured in ohm. ohm - cm. mho. ohm/cm. ohm. ohm - cm. mho. ohm/cm. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre? 1.56. 3.12. 0.020. 6.24. 1.56. 3.12. 0.020. 6.24. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The maximum current rating for a 10 k Ω, 0.5 W resistor is 28.28 mA. 14.14 mA. 7.07 mA. 0.707 mA. 28.28 mA. 14.14 mA. 7.07 mA. 0.707 mA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of a strip of copper of rectangular cross section is 2 Ω. A metal of resistivity twice that of a copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be 3 / 2 Ω. 4 / 3 Ω. 3 / 4 Ω. 6 Ω. 3 / 2 Ω. 4 / 3 Ω. 3 / 4 Ω. 6 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three resistances have the following ratings 150 Ω at 5 %, 100 Ω at 5 % and 200 Ω at 5 % respectively. The percentage error when all the three are connected in series will be + 7 %. + 8 %. + 6 %. + 5 %. + 7 %. + 8 %. + 6 %. + 5 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When the internal resistance of a cell is large compared to the external resistance in the circuit then high current can flow through the external resistance by grouping the cells as in series. in either series or parallel. mixed. in parallel. as in series. in either series or parallel. mixed. in parallel. ANSWER DOWNLOAD EXAMIANS APP