Curioustab

Home » Electronics and Communication Engineering » Measurements and Instrumentation

A dynamometer wattmeter is connected in ac circuit. The measured power is

rms power
average power
peak power
instantaneous power

Correct Answer: average power

Explanation:

All wattmeters measure average power over a cycle.

← Previous Question Next Question→

More Questions from Measurements and Instrumentation

A meter with a resistance of 100 Ω and a full scale deflection of current of 1 mA is to be converted into voltmeter of 0 - 5 V range. The multiplier resistance should be
A dynamometer wattmeter is connected in ac circuit. The reading will be
In figure the bridge is balanced when Z4 is
Which of the following voltmeters would you use for measuring voltage across 20 kΩ resistance?
Potentiometer method of dc voltage measurement is more accurate than direct measurement using a voltmeter because
In a thermocouple temperature transducer, the output voltage is usually measured by
A digital frequency counter can be converted to DVM by addition of a suitable
Assertion (A): When a wattmeter is used for low impedance loads, the pressure coil is connected across the load. Reason (R): A wattmeter measures apparent power.
In which of the transformer is the secondary nearly short circuited under normal operating conditions?
A single phase energy meter has the rating 1200 resolutions/ kWh. If a 500 W electric gadget is used for 4 hours, the energy meter will make

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion