Capacitors

If 4μF and 2μF capacitors are conneced in series, the equivalent capacitor is ___________.

• 1.33μF

• 0.75μF

• 6μF

• 2μF

If capacitors are connected in parallel, then potential difference across each capacitor is

• same

• zero

• different

• infinite

Two capacitors X and Y of capacitances 2 F and 4 F respectively are connected in series with

a 12 battery. Which of the following statements is CORRECT?

• The effective capacitance is 6 F.

• Capacitors have the same charge of 36 C.

• The potential difference across the capacitor X is 8 V.

• The potential difference across the capacitors Y is 12 V.

The insulating layer of a capacitor is called the

• plate

• conductors

• dielectric

• terminals

Change Q on a capacitor varies with voltage V . The area of triangle OAB represents

• Capacitance

• Capacitive reactance

• Magnetic field between the plates

• Energy stored in the capacitor

The total capacitance of two capacitors connected in series is _____________ the lowest value capacitor

• equal to

• opposite

• greater than

• less than

If the maximum amount of charge held by a capacitor at a voltage of 12V is 36C, what is the capacitance of this capacitor?

• 0.33 Volts

• 3 Volts

• 24 Volts

• 432 Volts

Capacitance is measured in___________

• Coulombs

• Farads

• Hz

• Volts

Stores electricity and then discharges it back into the circuit when there is a drop in voltage

• bicell

• battery

• fuse

• capacitor

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Tags

NGSS.HS-ETS1-3

NGSS.HS-PS2-5