In Very Simple words. The transformer is a device that: Transfer Electrical power from one electrical circuit to another Electrical …
When a transformer is in operation, heat is generated, due to I2R losses in the windings and core losses. The generated heat …
Q. 1. A metallic sphere is charged negatively. Will its mass increase, decrease, or remain than same? Ans. When the …
Q. 1 . What is the origin of the name electromagnetic induction? Ans. So-called because electricity is produced from magnetism …
Q. 1. Why is shaft torque less than armature torque in a d.c. motor? Ans. It is because some percentage …
Q.1. What is the practical importance of parallel a.c. circuits? Ans. Parallel a.c. circuits are used more frequently in electrical …
ESE, GATE & SSC JE
Electrostatic
Indicative SyllabusThe standard of the questions in Engineering subjects will be approximate to the level of a Diploma in Engineering …
Q. 1. Is the impedance triangle a phasor diagram? Ans. An impedance triangle is not a phasor diagram. A value …
Q.1. When is indicating instrument said to the dead-beat? Ans. If the degree of damping is adjusted to such a …
