railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical and Electronics Measurements Cathode Ray Oscilloscope Construction of CRO
Calculate the maximum velocity of the beam of electrons in a CRT having a cathode anode voltage of 182 V. Assume that the electrons to leave the cathode with zero velocity.
(Charge of electron = 1.6 × 10-19 C and mass of electron = 9.1 × 10-31 kg )
1
4 × 106 m/s
2
8 × 106 m/s
3
2 × 106 m/s
4
1 × 106 m/s