Electric Circuits Atoms with fewer than 4 valence electrons are insulator. semi-conductor. none of these. conductor. insulator. semi-conductor. none of these. conductor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the dielectric of a capacitor is replaced by conducting material the plate will get short circuited. the capacitor can store infinite charge. the capacitance value of the plate will decrease. the capacitor will get heated up due to eddy currents. the plate will get short circuited. the capacitor can store infinite charge. the capacitance value of the plate will decrease. the capacitor will get heated up due to eddy currents. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a lead acid cell, hydrogen is liberated at negative plate. positive plate. none of the plates. both plates. negative plate. positive plate. none of the plates. both plates. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An equipotential surface is one which has all points at _____________ potential. same. zero. none of them. different. same. zero. none of them. different. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following is the heaviest? Molecule. Electron. Proton. Atom. Molecule. Electron. Proton. Atom. 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. 6 Ω. 4 / 3 Ω. 3 / 4 Ω. 3 / 2 Ω. 6 Ω. 4 / 3 Ω. 3 / 4 Ω. ANSWER DOWNLOAD EXAMIANS APP