Question

A. 0.5 ohm
D. 24
B. B. 6 ohm
4. Keeping the potential difference constant, the resistance of a circuit is
become
A. Double
D
B. Hаlf
C One-fourth
II. Answer the following questions,
5. State the principle of an electric generator
6. Why is the refractive index of atmosphere different at different altitudes?
III. Answer the following questions.
2. Draw the diagram of the electric circuit in parallel connection
8. How does biogas plant help to reduce the problem of pollution
IV. Answer the following questions.​

Answer 1

Answer:

If two vectors are acting simultaneously at a point, then it can be represented both in magnitude and direction by the adjacent sides drawn from a point. ... According to the parallelogram law, the side OC of the parallelogram represents the resultant vector R.