Electric Circuits Which of the following has least resistivity? Mercury. Copper. Lead. Aluminium. Mercury. Copper. Lead. Aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A variable capacitance is one whose capacitance changes with time. changes with voltage. can be changed manually or by mechanical force. changes with temperature. changes with time. changes with voltage. can be changed manually or by mechanical force. changes with temperature. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA. 400 130 250 900 400 130 250 900 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For closer tolerance which of the following capacitors is usually preferred? Ceramic disc capacitor. Paper capacitor. None of them. Mica capacitor. Ceramic disc capacitor. Paper capacitor. None of them. Mica capacitor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be 36.36. 40.25. 76.66. 66.66. 36.36. 40.25. 76.66. 66.66. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the value of charge of an electron? 1.6022 × 10-27 Coulomb 1.6022 × 10-8 Coulomb 1.6022 × 10-19 Coulomb 1.6022 × 10-7 Coulomb 1.6022 × 10-27 Coulomb 1.6022 × 10-8 Coulomb 1.6022 × 10-19 Coulomb 1.6022 × 10-7 Coulomb ANSWER DOWNLOAD EXAMIANS APP