Question

three resistors of 2ohm ,3ohm and 6ohm are given in the circuit.

a) what is the highest resistance that you can get using all of them?

b) what is the least resistance that you can get using all of them?

c) can you make a resistance of 4.5 ohm using all of them?​

Answer 1

Explanation:

Highest resistance

R=R+R+R=2+3+6=11 Ω

b. Least resistance

R

1

=

R

1

1

+

R

2

1

+

R

3

1

=

2

1

+

3

1

+

6

1

R

1

=

6

3+2+1

=

6

6

=1 Ω

Answer 2

The rise of water in the dropper is due to atmospheric pressure.

When the bulb of a dropper is pressed, the pressure inside the dropper decreases and this causes the water to go inside the dropper.