CBSE Class 10 Science 2016 Term 1 Paper

Question : 16

Total: 36

You have three resistors of RΩ each and a battery of E volts. How would you connect these resistors with the battery to obtain maximum current? Draw a circuit diagram to illustrate your answer and also calculate the current drawn from the battery.

Solution:

These resistances should be connected in parallel with the battery to obtain the maximum current.

Let its equivalent resistance be RΩ.
∴‌‌‌

=‌

+‌

‌

=‌

1+1+1

=‌

⇒‌‌R=‌

By Ohm's law,
V‌=IR
⇒‌‌‌ Current ‌(I)‌=‌

=‌

r∕3

‌=‌

Go to Question:

Prev Question

Next Question