Power Systems The inductance of single phase two wire line is given by 4×10-7× ln(r'/d) H/m 0.4×10-7× ln(d/r') H/m 0.4×10-7× ln(r'/d) H/m 4×10-7× ln(d/r') H/m 4×10-7× ln(r'/d) H/m 0.4×10-7× ln(d/r') H/m 0.4×10-7× ln(r'/d) H/m 4×10-7× ln(d/r') H/m ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following transmission lines capacitance effect is negligible? shoart transmission lines medium transmission lines long transmission lines both 1 and 3 shoart transmission lines medium transmission lines long transmission lines both 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems When bundle conductor are used in place of single conductor the effective inductance and capacitance will respectively increase and decrease. increase and remain unaffected. decrease and remain unaffected. decrease and increase. increase and decrease. increase and remain unaffected. decrease and remain unaffected. decrease and increase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most commonly used material for insulators of overhead lines is mica porcelain PVC glass mica porcelain PVC glass ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? both 1 and 2 electro magnetic induction None of these electro static induction both 1 and 2 electro magnetic induction None of these electro static induction ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect occurs under half load any of the above no load full load half load any of the above no load full load ANSWER DOWNLOAD EXAMIANS APP
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