RRB TECHNICIAN 2024 Exam Papers : Held on 20-DECEMBER-2024 Shift-1
RRB TECHNICIAN 2024 Exam Papers : Held on 20-DECEMBER-2024 Shift-1
Q.1 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 )
1.4X106 m/s
2.8X106 m/s
3.2X106 m/s
4.1X106 m/s
Q.2 In a parallel circuit, if one of the resistors R1 is removed, the total resistance of the circuit will _____.
1. decrease
2. be zero
3. increase
4. remain the same
Q.3 In a survey of 260 students in a school, 100 were listed as taking apple juice, 150 as taking orange juice and 75 were listed as taking both apple as well as orange juice. Find how many students were taking neither apple juice nor orange juice.
Ans 1. 75
2. 85
3. 65
4. 95
Q.4 What is the power factor for a purely inductive or purely capacitive AC circuit?
1. 0
2. 1
3. 0.5
4. −1
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Courtesy : RRB