A voltmeter arranged across the power supply measures

Related MCQs

• If the Earth's magnetic field lines pass through the Hall probe in opposite direction, then the change in reading of voltmeter is
• Average power dissipated in resistor if sinusoidal p.d of peak value 25V is connected across a 20 Ω resistor is
• Current in a 60 W light bulb when it is connected to a 230 V power supply is
• Generators at a power station produce electric power at voltage
• Equation which measures alternating voltage is
• If the capacitors are connected in parallel, then the potential difference across each capacitor is
• In Hall effect, voltage across probe is known as
• Current in a circuit if resistance of 15 Ω and potential difference of 3.0 V is applied across it's ends is
• A straight wire of length 0.20 m moves at a steady speed of {{}} 3.0 m s-1 at right angles to the magnetic field of flux density 0.10 T. The e.m.f induced across ends of wire is
• If current of 20 mA is passing through op-amp and voltage drop across series resistor is 10 V then value of resistance is