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WorksheetsTechnical Quiz Round - 1
Total questions: 20
Worksheet time: 10mins
No current flows through two bodies if they have same ____
Potential
Charge
Capacity
Temperature
What is the reciprocal of conductivity
Current
Inductivity
Resistivity
Resistance
The specific resistance of a wire depends on
Its dimension
Its length
Its material
All of these
Form Factor is the ratio of
Average value/R.M.S value
Average value/peak value
R.M.S value/average value
R.M.S value/peak value
The frequency of domestic power supply in India is
200 Hz
100 Hz
60 Hz
50 Hz
The time constant of a series R-C circuit is given by
R/C
RC2
RC
R2C
The power factor of a D.C. circuit is always
Less than unity
Unity
Greater than unity
Zero
Power factor of electric bulb is
Zero
Lagging
Leading
Unity
At ____ frequencies the parallel R-L circuit behaves as purely resistive
Low
Very Low
High
Very High
In a purely inductive circuit
Actual power is zero
Reactive power is zero
Apparent power is zero
None of above is zero
The ratio of active power to apparent power is known as factor
Demand
Load
Power
Form
These days D.C. motors are widely used in
Pumping Sets
Air Compressors
Electric Traction
Machine Shops
The electric device which blocks DC but allows ac is called
Capacitor
Inductor
Amplifier
Transducer
In moving coil instruments, scale used is
Nonlinear Scale
Linear Scale
Square Scale
Logarithmic Scale
The most efficient form of damping in an instrument is
Eddy Current
Fluid Friction
Air Friction
None Of These
Wien bridge is used for the measurement of
Resistance
Capacitance
Frequency
Inductance
LVDT used to
Converts Linear Motion Into Electrical Signal
Translates Electrical Signal Into Linear Motion
Helps Measuring Temperature
Can Be Used To Sense Angular Displacement
Piezo-electric quartz crystal can be used to measure
Temperature
Velocity
Acceleration
Flow
Rectifier instruments indicate
RMS Value
Average Value
Peak Value
DC Value
Instrument used for DC measurement alone is
Moving Iron Type
Permanent Magnet Type
Electrodynamic Type
Induction Type
