Electric Circuits Atoms have no electric charge because they have an equal number of charged and non charged particles. have neutrons in their nuclei. have an equal number of neutrons and protons. have an equal number of electrons and protons. have an equal number of charged and non charged particles. have neutrons in their nuclei. have an equal number of neutrons and protons. have an equal number of electrons and protons. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the dielectric material used in precision small value capacitor and capacitor used in radio frequency circuits? Titanium oxide. Glass. Vacuum, air. Oil impregnated paper. Titanium oxide. Glass. Vacuum, air. Oil impregnated paper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following is not equivalent to watts? Joules per second. Ampere2 – Ohm. Amperes/volt. Ampere-volts. Joules per second. Ampere2 – Ohm. Amperes/volt. Ampere-volts. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which braking back emf exceeds supply voltage? None of these. Regenerative. Plugging. Dynamic. None of these. Regenerative. Plugging. Dynamic. 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 4 / 3 Ω. 3 / 4 Ω. 6 Ω. 3 / 2 Ω. 4 / 3 Ω. 3 / 4 Ω. 6 Ω. 3 / 2 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the relation between time period T and frequency? T = 0.5 / frequency. T = frequency. T = 1 / frequency. T = 0.85 / frequency. T = 0.5 / frequency. T = frequency. T = 1 / frequency. T = 0.85 / frequency. ANSWER DOWNLOAD EXAMIANS APP