Question

In the circuit shown, what should be put in position A to make
the bulb glow more brightly?
a) Bulb
b) Wire
A
d) Cell
c) Key

​

Answer 1

Explanation:

(A) Option :-

A simple circuit with one cell and one bulb

power =

R

V

2

=

R

V

2

(B) Option: A simple circuit with two cell a one bulb

power =

R

(2V)

2

=

R

4V

2

(C) Option: A simple circuit two bulbs and two cells

power =

R

(2V)

2

=

R

2V

2

(D) Option : A simple circuit with two bulbs and one cell

power =

2R

V

2

We see that in (B) option P is highest bulb will glow in (B) option.

Answer 2

Answer:

electricity will be the answer