The advantages of moving coil permanent magnet type instrument are
Low power consumption
No hysteresis loss
Efficient eddy current damping
All of the above
Q.3.
The deflecting torque in an instrument may be produced
Magnetically
Electrostatically
Thermally
Any of the above
Q.4.
An ammeter
Is inserted in series in a circuit and current to be measured flows through it
Is inserted in series in a circuit and part of the current to be measured flows through it
Is connected in parallel in a circuit and current to be measured flows through it
Is connected in parallel in a circuit and only part of the current to the measured flows through it.
Q.5.
A pointer of an instrument once deflected returns to zero position, when the current is removed due to
Mass of the pointer
Action of gravity
Controlling Torque
Damping Torques
Q.6.
An instrument in which the value of ethnical quantity to be measured can be determined from the deflection of the instrument when it has been precalibrated by comparison with an absolute instrument
Absolute instrument
Secondary instrument
Recording instrument
Integrating instrument
Q.7.
Wattmeter is used to measure which of the following:
DC Power only
Both AC Power and DC Power
AC Power only
None of these
Q.8.
In a Circuit, Ammeter should be always connected in ____ arrangement
Series
Parallel
Either in Series or in Parallel
Can be connected in booth
Q.9.
An even signal is that type of signal which exhibits :
Symmetry in the time domain
Anti-symmetry in the time domain
Both option 1 & 2
None of these
Q.10.
Which function is also known as Dirac-delta function?
Unit step function
Unit impulse function
Ramp function
Both option 1 & 2
Q.11.
Which system is also known as memoryless system?
Dynamic system
Invertible system
Non causal system
Static system
Q.12.
What is the energy of power signal?
Infinite
Zero
One
Both option 2 & 3
Q.13.
A continuous signal gives value
At fixed interval of time.
At any interval of time
Both option 1 & 2
None of these
Q.14.
Which signal has zero frequency?
AC signal
DC signal
Impulse signal
Both DC & Impulse signal
Q.15.
Choose the true statement below concerning DC currents:
DC stands for Direct Computing and electrons flow in multiple pathways
DC stands for direct current and electrons flow in multiple directions
DC stands for direct current and the electrons do not flow
DC stands for direct current and the electrons flow in only one direction
Q.16.
In a _________circuit current can flow freely.
Closed
Open
Simple
Complex
Q.17.
What does DMM stand for ?
Distance Measured Monthly
Digital Multiplication and Math
Digital Multimeter
Do Mechanical Maintenance
Q.18.
When loads are connected in a ___ circuit their individual resistance all add together
Parallel
Open
Closed
Series
Q.19.
For something to move it requires a __________greater than the other acting on it.
Force
Resistance
Voltage
Current
Q.20.
The type of current where charges flow in one direction
Direct Current
Alternating Current
Electron Flow
Voltage
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