Science 4th Q

Question 1

What is a complete path
through which electric
current flows?

Answer 1

Electric circuit

Question 2

What are the key components?

Answer 2

Current
Resistance
Voltage

Question 3

To get the total of Voltage in a SERIES you have to?

Answer 3

Add all the individual resistors

Question 4

TRUE OR FALSE:
All the currents in a SERIES CIRCUIT are all equal, including the total current

Answer 4

TRUE

Question 5

To get the total of Resistance in a SERIES you have to?

Answer 5

Add all individual resistors

Question 6

TRUE OR FALSE:
The voltage is equal across all
components in a PARALLEL circuit.

Answer 6

TRUE

Question 7

To get the total resitance In a parallel circuit to get its total, you have to ..

Answer 7

divide all individual resistors by one and then add them all after getting the total divide it once again by one

Question 8

To get the total current in a PARALLEL CIRCUIT you have to get the _______

Answer 8

Sum of all individual branches

Question 9

TRUE OR FALSE:
V=IR

Answer 9

True

Question 10

TRUE OR FALSE:
I=VR

Answer 10

FALSE

Question 11

TRUE OR FALSE:
R=V/I

Answer 11

TRUE

Question 12

What is it called when Electrons flow easily between atoms?

Answer 12

Conductors

Question 13

What is it called when Electrons flow is difficult between atoms?

Answer 13

Insulators

Question 14

How many valence electrons do conductors have in the outer orbit?

Answer 14

1-3

Question 15

How many valence electrons do insulators have in the outer orbit?

Answer 15

5-8

Question 16

Copper is an insulator

Answer 16

False, IT IS A CONDUCTOR

Question 17

Do rubbing materials create electric charge?

Answer 17

No IT ONLY TRANSFERS ELECTRONS FROM ONE MATERIAL TO ANOTHER

Question 18

Static electricity is __________

Answer 18

Potential energy

Question 19

TRUE OR FALSE:
Static electricity does NOT move

Answer 19

TRUE

Question 20

What is the unit for power?

Answer 20

Watt(W)

Question 21

How to get power??

Answer 21

P=IV