In a digital voltmeter, the oscillator frequency is 400 KHz. The Ramp voltage falls from 8V to 0V in 20 ms. what is the number of pulses Counted by counter?

In a digital voltmeter, the oscillator frequency is 400 KHz. The Ramp

1.	In a digital voltmeter, the oscillator frequency is 400 KHz. The Ramp voltage falls from 8V to 0V in 20 ms. what is the number of pulses Counted by counter?
A.	8000
B.	4000
C.	3200
D.	1600
Answer» B. 4000

Discussion

No Comment Found

Related MCQs

User must wait for a stable reading.
In a digital voltmeter, the oscillator frequency is 400 KHz. The Ramp voltage falls from 8V to 0V in 20 ms. what is the number of pulses Counted by counter?
A DVM has a 3 ½ digit display. The 1-volt range can read upon
An integrating digital voltmeters measures
A 3 ½ digit voltmeter has an accuracy specification of ± 0.5% of reading ± one digit. What is the possible error in volts when the instrument displays 2.00 V on the 10 V scale?
A variable reluctance tachometer has 180 teeth on rotor. The speed of shaft on which mounted in 1800 rpm. The frequency of output pulses is
Consider the following types of digital voltmeters:1. Ramp type2. Dual slope integrating type3. Integrating type using voltage to frequency conversion4. Successive approximation type5. Servo balanced potentiometer typeWhich of these require a fixed reference voltage at the comparator stage?
Directions: Each of the following items consist of two statements, one labeled as ‘Statement (I)’ and the other as ‘Statement (II)’. You are to examine these two statements carefully and select the answer using the code given below:Statement (I): Digital universal counter timer is used to measure time period and frequency of various circuits that are assembled together to form one complete block.Statement (II): Digital counters use logic gates which are selected and controlled by a single front panel switch known as function switch which can be in either frequency or time-base mode.
Multiplication features are incorporated in an ohmmeter to enable the meter to ________.
In a digital voltmeter, during start of conversion, zero indication is displayed and is called auto zeroing. This is achieved by

In a digital voltmeter, the oscillator frequency is 400 KHz. The Ramp voltage falls from 8V to 0V in 20 ms. what is the number of pulses Counted by counter?

Discussion

No Comment Found

Related MCQs

Reply to Comment