Answer to Question #61535 in Physics for na

Question

7 Image formed by convex mirror for real object placed anywhere is ?
Real
Virtual
Enlarged
Inverted
8 Two wires P ad Q, each of the same length and same material, are connected in parallel to a battery. The diameter of P is half that of Q. What fraction of the total current passes through P?
0.2
0.25
0.33
0.5
9 Two resistances
2Ω
2Ω
and
3Ω
3Ω
are in parallel. The combination is in series with
1.5Ω
1.5Ω
resistance and a power supply of voltage V. There is a current of 3A through the
2Ω
2Ω
resistance. What are the values of the current I delivered by, and the voltage V across the power supply?
3A and 10.5V
4A and 9V
4A and 12V
12A and 18V

Answer 1

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