The circuit shown in Fig. contains a battery, a rheostat and two identical lamps. What will happen to the brightness of the lamps if the resistance of the rheostat is increased? a rheostat and two identical lamps. What will happen to the brightness of the lamps if the resistance of the rheostat is increased? The circuit shown in Fig. contains a battery December 6, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 20 - Heating Effects of Current and Instruments , Facebook Messenger WhatsApp Share this:TwitterFacebook Related