Question

2 resistors with resistance 10 ohm and 15 ohm are to be connected to a battery of 5v so as to obtain
a)maximum current
b)minimum current
1)how will you connect the resistance in each case? 2)calculate the strength of total current in the 2 cases.

Answer 1

Answer:

1)in case a

resistors are to be conected in seris

in case b

resistors are conected to be in parallel

Answer 2

Answer:

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Explanation:

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step-by-step explanation:

(a) (i) For minimum current we must make R maximum. This can be done by connecting the resistances in series.

(ii) For maximum current we must make R minimum. This can be done by connecting the resistances in parallel.

(b) (i)R

eq

=R

1

+R

2

=5+10=15Ω

I=

R

eq

V

=

15

6

=0.4A

(ii) R

eq

=

R

1

+R

2

R

1

R

2

=

5+10

5×10

=3.33Ω

I=

R

eq

V

=

3.33

6

=1.8A

Explanation:

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