Nidhi has two bulbs connected across two cells in a simple circuit as shown. How can she make the bulbs glow dimmer?

Options

A. Replace one cell with a piece of chalk.
B. Replace one cell with a piece of wire
C. Replace one bulb with a piece of wire.
D. Replace one bulb with another cell.

Explanation

By replacing one cell with a piece of wire, the applied voltage would become lesser, therefore bulbs glow dimmer.