Answers

the core of a transformer is usually laminated in order to A. reduce magnetic leakage B. reduce eddy…

A 120(Omega) resistor dissipates 8 kJ of heat in 20s. Calculate the current through the resistor A. 5.8A…

Two similar cells are used to light two similar lamps as illustrated in the diagrams above. In which…

Six dry cells each of e.m.f. 2.0 and internal resistance of 1.0(Omega) are connected in parallel across a…

Which of the following properties is an advantage of lead-acid accumulator over an alkaline accumulator? A. possesses low…

Two capacitors, each of capacitance 2(mu)F are connected in parallel. If the p.d across them is 120V, calculate the…

When two like charges are brought together, the potential energy of the system formed will A. increase because…

Which of the following sets of coloured light is/are secondary colours i. Red, Blue and green ii. Blue,…

The sound heard by a person after the reflection of the sound generated by him is called A.…

A telescope is said to be in normal adjustment when the A. focal length of he objective is…