Q. 12. What is the solution of the equation x 2 −4=0?

Latest PSC Questions

• Which programming language is widely used for embedded systems?
• 11. What is the resistance of a wire proportional to?
• 10. The output of a half-wave rectifier is:
• 9. The capacitance of a capacitor depends on:
• 8. Which law states that “Energy cannot be created or destroyed”?
• 7. What is the formula for the area of a circle?
• 6. The SI unit of force is:
• 5. Which material is used as a semiconductor?
• 4. What is the standard atmospheric pressure at sea level?
• 3. Which of the following is a non-renewable energy source?