Gen Physics 2

Question 1

What is the unit of capacitance?

Answer 1

Farad

Question 2

The function of a capacitor is described as

Answer 2

It absorbs and stores electrical charge

Question 3

What is the value of the permittivity of free space constant?

Answer 3

8.85 × 10 ^-12 F/m

Question 4

The following are dielectric material except
- Ceramic
- Electrolyte
- Paper
- Iron Fillings

Answer 4

Iron Fillings

Question 5

Which capacitor does not have a positive and negative terminal?
-Fixed
-Mica
-Non-polarized
-Polarized

Answer 5

Non Polarized

Question 6

How do electrons flow in a charging capacitor?
- From high to low potential energy
- From low to high potential energy
- Both
- None of the Above

Answer 6

Low voltage ( potential energy) to high voltage (potential energy)

Question 7

Which law states that energy cannot be created nor destroyed, but it can transform into another form.
- First Law of Thermodynamics
- Law of Electricity
- Law of Power
- Ohm’s Law

Answer 7

First Law of Thermodynamics

Question 8

The rate of electron flow in a circuit
- Ampere
- Current
- Resistance
- Voltage

Answer 8

Current

Question 9

A continuous flow of electrons and commonly used for low voltage devices such as remotes toys and flashlights.

Answer 9

Direct Current

Question 10

Resistivity is symbolized by the letter (p) what is it?

Answer 10

Roh

Question 11

Which law states the relationship of current, voltage, and resistance in an electrical circuit.

Answer 11

Ohm’s Law

Question 12

The kind of circuit that is divide into several branches first before completing the loop.

Answer 12

Parallel Circuit

Question 13

The total current entering a junction or a node is equal to the charge leaving the node as no charge is lost is called Kirchoff’s Law

(True or False)

Answer 13

True

Question 14

The sum of all currents entering a junction must equal the sum of all currents leaving a junction known as Loop Rule.
(True or False)

Answer 14

False

Question 15

The sum of all currents entering a junction must equal the sum of all current leaving the junction known as LOOP RULE.
(True or False)

Answer 15

False. It is called the Junction Rule

Question 16

The algebraic sum of changes in potential around any closed-circuit path must be zero as stated in the JUNCTION RULE.
(True or False)

Answer 16

False. It is called the LOOP RULE

Question 17

A device used to measure either alternating or direct current is called ANALOG GALVANOMETER.
(True or False)

Answer 17

False. It is an ammeter