railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical and Electronics Measurements Cathode Ray Oscilloscope
The function of input attenuators in measuring instruments, like VTVM and CRO, is to
1
Increase the input impedance
2
Attenuate the frequency range
3
Attenuate the input signal amplitude without altering the frequency contents
4
Attenuate the input impedances