Electrostatics and capacitors

Question 1 of 10

Capacitors of 5 μF and 8 μF in parallel have a total capacitance of ___ μF.

Question 2 of 10

A capacitor is a device that

Question 3 of 10

Capacitors of 10 μF and 1 μF in parallel have a total capacitance of ___ μF.

Question 4 of 10

Find the energy stored in a 50 μF capacitor charged to 20 V.

Question 5 of 10

A 10 μF capacitor is connected to a 6 V supply. Find the charge stored.

Question 6 of 10

Capacitors of 3 μF and 8 μF in parallel have a total capacitance of ___ μF.

Question 7 of 10

Find the energy stored in a 50 μF capacitor charged to 100 V.

Question 8 of 10

A 100 μF capacitor is connected to a 6 V supply. Find the charge stored.

Question 9 of 10

Charge tends to concentrate at sharp points of a conductor.

Question 10 of 10

State three factors affecting the capacitance of a parallel-plate capacitor and give three uses of capacitors.