Question

Find out the following in the electric circuit given in tigure:
4 2
8V
82 892
)Effective resistance of two 8 Q resistors in the combination,
(6) Curent flowing through 4 Q resistor,
d) Power dissipated in 4Q resistor and
C Potential difference across 4 2 resistance,
15]
e) Difference in ammeter readings, if any.

Answer 1

Explanation:

(a) R=

R

1

R

2

R

1

R

2

=(

8+8

8×8

)=4Ω

(b) I=

R

V

=

4+(

8+8

8×8

)

8

=

8

8

=1A

(c) V=IR=1×4=4V

(d) P=I

2

R=1

2

×4=4W

(e) No difference, same current flows through each element in a series circuit