Which of the following statements is true of the properties of a moving coil galvanometer?
The d.c generator has essentially the same components as the a.c generator except the presence of?
A step-down transformer has a power output of 50 W and efficiency of 80%. if the mains supply voltage is 200 v, calculate the primary current of the transformer.
Two inductors of inductance 5 mll and 15 mll are connected in series and a current of 5A flows through them. the total energy stored in the inductor is?
What is the effect of using split-rings in a simple d.c motor?