When a voltmeter is connected across a 400 ohm resistance, it reads 30 V, when it is connected across 300 ohm resistance, it will read it reads 30 V it will read When a voltmeter is connected across a 400 ohm resistance when it is connected across 300 ohm resistance December 2, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity , Volume 2 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related