Principles of Voltage, Current and Resistance Measurement » Exercise – 1
1. Ammeter is used to measure :
(a) Small current (mA, μA)
(b) Large current (A)
(c) Small Voltage
(d) Large Voltage
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- Principles of Voltage, Current and Resistance Measurement » Exercise - 1 1. Ammeter is used to measure : (a) Small current (mA, μA) (b) Large current (A) (c) Small Voltage (d) Large Voltage 2. Voltmeter is used to measure the : (a) Current (b) Resistance (c) Temperature (d) Voltage 3. Electrical measuring instruments are devices, which convert : (a) Heat energy into electrical energy (b) Chemical energy into electrical energy (c) Electrical energy into mechanical energy (d) None of the above 4. The working of all electrical instruments depend upon : (a) Magnetic effect of current (b) Chemical effect of current (c) Electromagnetic effect of current (d) None of the above 5. Which of the following is used to measure current, voltage and resistance : (a) Ammeter (b) Voltmeter (c) Avometer (d) Galvanometer