1. The total capacitance of a 300 mF capacitor and a 600 mF in series is

2. If the output voltage is greater than the input voltage, then the transformer is

3. If a secondary coil has 40 turns and a primary coil with 20 turns is charged with 50 V of potential difference, then the potential difference in the secondary coil would be

4. Steady D.C voltage is also known as

5. Direction of conventional current is

6. If the initial velocity of an object is zero, then the distance covered by it in time t and acceleration of 9.8 $ms^{2}$ would be

7. The acceleration of train when it is moving steadily from 4.0 $ms^{-1}$ to 20 $ms^{-1}$ in 100 s is

8. The area under a velocity-time graph tells us the

9. The gradient of a velocity-time graph tells us about the

10. The angular velocity of the second hand of a clock is 0.105 rad $s^{-1}$ and the length of the hand is 1.8 cm, then the speed of the tip of the hand is