Question

Q.19.(In the circuit diagram
given belowR1=2 Ohm.R2=
5Ohm .R3= 1 Ohm which is
connected to battery of 10 volt.
Find the total resistance in the
circuit.
17/10
O 10/17
5/17
None of these​

Answer 1

Explanation:

When 8 and 12 are in parallel

and 7.2 is in series with them

Net Resistance

10

7.2

+

12+8

8×12

=

10

72

+

20

96

=

10

72

+

10

48

=

10

120

=12Ω

Total current =

netR

V

=

12

6

=0.5Ω

Voltage across R

1

=iR

1

=0.5×7.2

=3.6

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