Television Picture Tubes » Exercise - 1 10. Pincushion effect in a colour picture tube can be corrected by ……………. (a) magnetic ring (b) current through deflection coils (c) current through convergence coils (d) colour purity adjustment
Television Display Systems » Exercise - 1 3. The television picture tube has : (a) Magnetic focus and electrostatic deflection (b) Magnetic focus and magnetic deflection (c) Electrostatic focus and electrostatic deflection (d) Electrostatic focus and magnetic deflection