F2 Science Electricity Exercise Top Jun 2026

A circuit has three resistors of 1 Ω, 3 Ω, and 5 Ω connected in series to a 9 V battery. (a) What is the effective (total) resistance? (b) What is the current flowing through the circuit? (c) What is the voltage across the 3 Ω resistor?

( ) The red terminal of an ammeter is the negative terminal. (; it is typically the positive terminal) ( ) Electricity can flow in an open circuit. ( False )

If a question gives you two values (e.g., Voltage and Resistance), you can always find the third (Current) by rearranging the formula: f2 science electricity exercise top

Voltage (V)=Current (I)×Resistance (R)Voltage open paren cap V close paren equals Current open paren cap I close paren cross Resistance open paren cap R close paren 4. Series vs. Parallel Circuits

Based on standard F2 science curriculum materials, these are the top areas you need to master for exercises and tests: Electricity Formulas - BYJU'S A circuit has three resistors of 1 Ω,

Understanding that in a series circuit, removing one component breaks the circuit, whereas parallel circuits provide multiple paths for current.

Utilize online worksheets like Scribd F2 Science Electricity Exercises and practice multiple-choice questions. Master the Formulas: Be comfortable with (c) What is the voltage across the 3 Ω resistor

Solving problems involving power consumption (Watts) and current requirements.

Practice using the formulas V = I × R and P = V × I until they become second nature. Write them on flashcards and test yourself. The key to success in physics is not just knowing the formula, but knowing when to apply it.

Voltmeter (connected in parallel across a component) 3. Resistance (

A fuse should be connected in series with an appliance for safety. Insulators have very high resistance. Part 2: Multiple Choice