Question 11.11: An electron with an initial speed of 29×10^5 ms^-1 is fired in the same direction as a uniform electric field with a magnitude of 80NC^-1. How far does the electron travel before being brought to rest momentarily and turned back?

Question 11.12: Two capacitors of capacitance 4 μF and 8μF are first connected (μ) in series and then (b) in parallel. In each case external source of voltage is 200V. Calculate in each case the total capacitance, the potential drop across each capacitor, and charge on each capacitor.

Question 11.13: The capacitors of capacitance 4μF, 6μF and 8μF respectively are connected in series to a 250V d.c. Supple Find (i) the total capacitance (ii) charge on each capacitor and (iii) P.D. across each capacitor.

Question 11.14: if C1 = 14VF, C2 = 20μF, C3=12μF and the insulated plate of C1 be at potential of 100V, one plate of C3 being earthed, what is the potential difference between the plates of C2, three capacitors being connected in series.

Question 11.15: Fine the charge on 5μF capacitor in the circuit in Fig.

Question 11.16: Two parallel plate capacitors A and B having capacitance of 2 μF and 6 μF are charges separately to the same potential of 120V. Now positive plate of A is connected to the negative plate of B and the negative plate of A is connected to the positive of B. Find the final …

Question 11.17: A 6μF Capacitor is charged to a P.D of 120V and the connected to an un-charged 4 μF Capacitor. Calculate the P.D across the capacitors.

Question 11.18: Two capacitors of capacitance 8μF and 10μF respectively are connected across a P.D of 180v. The Capacitors are disconnected from the supple and are reconnected in parallel with each other. Calculate the new P.D and charge on each capacitor.