ANSWERS TO QUESTIONS Q1. THROUGH Q18.

A1. Control grid.
A2. The first anode.
A3. Because they bend electron streams in much the same manner that optical lenses bend light rays.
A4. It accelerates the electrons emerging from the first anode.
A5. A greater deflection angle.
A6. A greater deflection angle.
A7. Higher potential.
A8. Slower beam.
A9. Amplitude and time.
A10. Amplitude.
A11. Time and/or frequency relationships.
A12. To permit wide-angle deflection of the beam.
A13. Deflection factor.
A14. A CRT, a group of control circuits, power supply, sweep circuitry, and deflection circuitry.
A15. Lower.
A16. Amplitude, phase, time, and frequency.
A17. Dual-trace oscilloscopes.
A18. Front end.