Electric Circuits A variable capacitance is one whose capacitance changes with temperature. can be changed manually or by mechanical force. changes with voltage. changes with time. changes with temperature. can be changed manually or by mechanical force. changes with voltage. changes with time. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Under resonance condition the phase angle between voltage phase and current phase is - 90° 90° 0° 45° - 90° 90° 0° 45° ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A. 0.5 1 2.56 3.149 0.5 1 2.56 3.149 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Active materials of a lead acid cell are dilute H2SO4. all of above. lead peroxide. spongy lead. dilute H2SO4. all of above. lead peroxide. spongy lead. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following materials has the least resistivity ? Zinc. Mercury. Lead. Copper. Zinc. Mercury. Lead. Copper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of specific gravity of acid when a lead acid battery is fully charged is 1.285. 2.185. 2.585. 2.9585. 1.285. 2.185. 2.585. 2.9585. ANSWER DOWNLOAD EXAMIANS APP