Electric Circuits Which of the following has least resistivity? Lead. Copper. Mercury. Aluminium. Lead. Copper. Mercury. Aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A cube of material of side 1 cm has a resistance of 0.002 Ω between its opposite faces. If the same volume of the material has a length of 4 cm and a uniform cross - section, the resistance of this length will be 0.128 Ω. 0.016 Ω. 0.064 Ω. 0.032 Ω. 0.128 Ω. 0.016 Ω. 0.064 Ω. 0.032 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of supply voltage for 400 W, 4 Ω load is 40 V. 20 V. 400 V. 200 V. 40 V. 20 V. 400 V. 200 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A circuit contains two unequal resistor in parallel voltage drops across both are same. currents in both are same. voltage drops are according to their resistive value. heat losses in both are same. voltage drops across both are same. currents in both are same. voltage drops are according to their resistive value. heat losses in both are same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Disadvantages of constant k type filter characteristic impedance unchanged in pass band. both A and B. none of these. attenuation does not increase rapidly beyond cut off frequency. characteristic impedance unchanged in pass band. both A and B. none of these. attenuation does not increase rapidly beyond cut off frequency. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For balanced star load, if unbalanced line current are IR, IY, IB equal to - j10, - j10 and - j20 respectively, the neutral current will be equal to (-9.66 + j5) A. (8.66 + j5) A. (8.66 - j5) A. (-8.66 - j5) A. (-9.66 + j5) A. (8.66 + j5) A. (8.66 - j5) A. (-8.66 - j5) A. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS