Current electricity questions | form six Physics

List down five points to be considered when applying Kirchhoff’s second law in
formulating analytical problems or equations.

Answer / Solution

UNSOLVED

Study the circuit diagram in Figure 1 then answer the questions that follow:

(i) How many loops are there in the circuit?
(ii) Find the current flowing through 2Ω, 4Ω and 8Ω resistors

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UNSOLVED

What is meant by the following terms:
(i) Phase of alternating e.m.f.
(ii) Root mean square (r.m.s.) value of alternating e.m.f.

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UNSOLVED

An a.c. circuit consisting of a pure resistance of 10Ω is connected across an a.c. supply of
230​ V, 50​Hz. Calculate the;
(i) Current flowing in the circuit.
(ii) Power dissipated.

Answer / Solution

UNSOLVED

A 25μF capacitor, a 0.10H inductor and a 25Ω resistor are connected in series with an a.c.
source whose e.m.f. Is given by ​ E=310sin314​t ​ volt. Determine the;
(i) Frequency of the e.m.f.
(ii) Net reactance of the circuit.

Answer / Solution

UNSOLVED