Elektronik Kertas 1

What is this process?

• Themionic emmission

• Infrared emission

• Electron induction

• Molecule ionisation

In a cathode ray tube, the maximum kinetic energy is 1.32 x 10-15 J. What is the potential difference across the accelerator anode and the cathode?

• 1 320 V

• 2 112 V

• 8 250 V

• 12 012 V

The direction of the deflection is determined by using

• the Fleming’s left hand rule

• the Fleming’s right hand rule

• the right hand grip rule

Which particle escapes from the surface of a metal when it is heated at a high temperature?

• Proton

• Neutron

• Nucleon

• Electron

What is the electronic component?

• Diode

• Capasitor

• Resistor

• Transistor

Based on the observation in Diagram 5, which statement is correct?

• The increasing of EHT will increase the deflection of the cathode ray

• The increasing of EHT will decrease the deflection of the cathode ray

• The increasing of EHT will decrease the kinetic energy of electron

• The increasing of EHT will decrease the potential energy of electron

LED lights up when

What is the function of transistor in this circuit?

• As rectifier

• As current amplifier

• As an automatic switch

• As a voltage divider

Which is the correct trace on the screen of the CRO?

• A

• B

• C

• D

What are the names of the terminals X, Y and Z?

• Collector, Base, Emitter

• Base, Collector, Emitter

• Emitter, Base, Collector

• Collector, Emitter, Base