Question: A PMMC meter has an internal resistance 500Ω and the current required for its full scale deflection is 100µA.the power consumed by the meter is :
Answer:
MCQ: A PMMC meter has an internal resistance 500Ω and the current required for its full scale deflection is 100µA.the power consumed by the meter is :
Correct Answer:
A. 5 µW
Discuss a Question
Related Questions
- 1. An average reading VTVM uses one diode connected in series with an external resistance. A high value of series resistance is used so that the instrument should have :
- 2. In a compensated shunt type peak reading VTVM a bucking battery with a series adjustable resistance is used for :
- 3. In a different amplifier using two FETs, a resistance has to be reducing the meter current to zero even when no voltage is applied to the circuit. This is necessitated on account of :
- 4. The resistances, R<sub>D </sub>Connected in the bridge circuit of a difference amplifier type of electronic voltmeter are each 10kΩ. The value of R<sub>D </sub>is much smaller than the value of a.c drain resistance, r<sub>d,</sub> of FETs. The trans-conductance of FETs is 0.005 mho. The value of current through the meter when an input voltage of 1V is applied to the gate of left FET with the gate of right hand FET grounded , and the meter resistance almost negligible is :
- 5. In a source follower type electronic voltmeter, the trans-conductance of FETs is 0.005 mho and the resistance of the meter is 100Ω. The approximate value of current through the meter, when the input voltage is 1 V, is :
- 6. The power consumption of a d.c voltmeter using a direct coupled amplifier when measuring a voltage 0.5 V is of the order of :
- 7. A chopper stabilized a.c amplifier may use :
- 8. Electronic voltmeters which use rectifiers employ negative feedback. This is done
- 9. A voltage having symmetrical square waveshape is applied to an average reading voltmeter with scale calibrated in terms of rms value of a sinusoidal wave has an error of :
- 10. A true rms reading voltmeter uses two thermocouples in order
You may be interested in:
Electrical and Electronics Measurements and Instrumentation MCQsRecently Added Articles
How Can AI Simplify the Academic Life of Students?
Last updated on: April 16, 2025Posted by: ExamRadar
Want to Clear IBPS RRB PO? Master These Mock Test Hacks!
Last updated on: March 10, 2025Posted by: ExamRadar
Top AI Tools for Instantly Detecting Plagiarized Writing
Last updated on: December 5, 2024Posted by: ExamRadar
Applying Algorithmic Trading Techniques to Forex: Insights for Programmers and Data Scientists
Last updated on: November 22, 2024Posted by: ExamRadar
Image to Text Conversion Made Easy: Online Tool Insights
Last updated on: April 12, 2024Posted by: ExamRadar
