Worksheetsquiz 2
Total questions: 10
Worksheet time: 5mins
An rms reading voltmeter can accurately measure voltages of
A. Sine wave forms
Square wave forms
Saw tooth wave forms
D. All of these
In electronic voltmeter, the range of input voltages can be extended by using
A. Functional switch
B. Input attenuator
C. Rectifier
D. Balanced bridge dc amplifier
In a ramp type DVM, the multivibrator determines the rate at which the
A. Clock pulses are generated
B. Measurement cycles are initiated
C. It oscillates
D. Its amplitude varies
An 8 Bit DAC has a resolution of 0.25.if the input 00101000 then what will be the output in volts.
5
10
15
None of the above
Quantities are digitised using _________
a) D/A converter
b) oscillator
c) amplifier
d) A/D converter
Which ADC is fastest
Flash type
Ramp type
Successive approximation type
Dual slope ramp type
what are the different blocks of digital multimeter
oscillator, amplifier
diode, op amp
A/D, attenuator, counter
rectifier, schmitt trigger
the scale of hot wire instrument is linear.(1mark)
A.True
B.False
A meter having 0-1000 μA range and 1000 Ω resistance is required to be changed to 0-100 mA meter. The value of shunt resistance is about
1 Ω
10 Ω
99 Ω
100 Ω
Electrodynamometer is___________
AC Only
DC Only
AC & DC only
None of the Above
