ONLINE MCQ EE AND ECE-Measurements and Instrumentation Part 10 - All Exam Review
A hot-wire ammeter A. Can measure ac as well as dc B. Registers current changes very fast C. Can indicate very low voltages D. Measures electrical energy Ans: A Answer The device used to indicate the presence of an electric current is A. Electrometer B. Galvanometer C. Voltmeter D. Coulometer Ans: B Answer A watt-hour meter measures A. Voltage B. Current C. Energy D. Power Ans: C Answer A voltmeter should have A. Low internal resistance B. High internal resistance C. Electrostatic plates D. A sensitive amplifier Ans:B Answer An average-reading digital multimeter reads 10V