setb4

Question 1

What is the difference between insulator and conductor

Answer 1

A conductor is a material that allows electrons to flow freely through it, making it useful for carrying electric current.
An insulator is a material that resists the flow of electrons, so it does not allow electric current to pass through it.

Question 2

Draw complete circuit diagrams showing the following items

Switch
2 light bulbs
Power pack
Ammeter

Question 3

What are energy chains?

Answer 3

mechanical machine elements that guide energy

Question 4

How does resistance and current change between two circuits?

Answer 4

The circuit with the higher resistance will allow less charge to flow, meaning the circuit with higher resistance has less current flowing through it.

Question 5

What is a resistor?

Answer 5

A resistor is an electrical component that limits or regulates the flow of electrical current in an electronic circuit

Question 6

How does a resistor work?

Answer 6

The resistor absorbs the electrical energy in the process where it acts as a hindrance to the flow of electricity by reducing the voltage, and it is dissipated as heat.

Question 7

What happens when you put a resistor into your circuit?

Answer 7

If you add resistors in series, the current will be the same throughout the circuit but as you increase the resistance, the current flowing will decrease

Question 8

What happens to current when you increase
a) the length of the resistor?
b) the width of a resistor?

Answer 8

As resistance is directly proportional to the length of the conductor, the resistance will decrease with the decrease in the length of the wire. while increasing the width area decreases the amount of resistance and increases current.

Question 9

What is Ohm’s law? V = I x R

Answer 9

voltage = current x resistance
V = I x R

Question 10

What is the relationship between current and resistance if you keep the same Voltage.