physics part 1 mcqs

Q.1 Which of the following is the proper way to study the sinusoidal waveform of the voltage?
A) Voltage is connected to X input and the time base is switched off
B) Voltage is connected to Y input and the time base is switched on
C) Voltage is connected to Y input and the time base is switched off
D) Voltage is connected to X input and the time base is switched on
Q.2 Electron gun in cathode ray oscilloscope contains
A) Filament, cathode, grid, anode                       C) Emitter, base, collector
B) Cathode, anode, capacitor, screen                  D) Resistance, capacitor, inductor

Q.4 The voltage that is applied across X­plates is provided by a circuit called
A) Audio generator                                C) Signal generator
B) Time base generator                          D) Linear generator

Q.5 Which of the following is the proper way to study the sinusoidal wave form of voltage?
A) Voltage is connected to ‘Y’ input and time base is switched on.
B) Voltage is connected to ‘X’ input and time base is switched off.
C) Voltage is connected to ‘Y’ input and time base is switched off.
D) Voltage is connected to ‘X’ input and time base is switched on.