AP EAPCET 08-Jul-2022 Shift 1 Paper

The given circuit can be shown as.

Total resistance in above case,
RS=R1+R2+.......+R10
⇒ Rs=10Ω
Current in circuit , I=

V

Rs

⇒ I=

10

10

=1A
Power consumption of circuit,
Ps=I2×10×10Ω
In second case,

1

RP

=

1

R1

+

1

R2

+.....
⇒

1

RP

=

10

1

⇒ RP−

1

10

Ω
Power consumption,
PP=

V2

RP

=

100 1

10

=103W
⇒

PS

PP

=

10

1000

=0.01