Current, potential difference and resistance

Match the following symbols to the correct components in a circuit

• Light bulb

• 
• Open switch

• 
• Voltmeter

• 
• Closed switch

• 

Match the following symbols to the correct components in a circuit

• cell

• 
• resistor

• 
• ammeter

• 
• batteries

• 

What is the mistake in this diagram?

• Wires not touching

• Wires not in straight line

• Components at corner

What is the mistake in this diagram?

• Wires not touching

• Wires not in straight line

• Components at corner

What is the mistake in this diagram?

• Wires not touching

• Wires not in straight line

• Components at corner

What is the mistake in this diagram?

• Ammeter

• Light bulb

• Cell

Match the following sub atomic particles with the correct charge

• Negative

• Neutrons

• Positive

• Protons

• No charge

• Electrons

Which is the correct statement?

• Sodium has 11 protons, 11 electrons and 23 neutrons

• Sodium has 11 protons, 11 neutrons and 12 electrons

• Sodium has 11 protons, 11 electrons, and 12 neutrons

• Sodium has 23 protons, 11 electrons and 11 neutrons

How many neutrons are there in Fe atom?

Mathematical Equivalence

ON

In an atoms, the number of protons equal to the number of electrons

• True

• False