IGCSE /Grade 9
Science MCQ Based On Simple parallel circuits
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IGCSE Grade 9 Science Simple parallel circuits
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The Ampere(A) is the unit of current.
Switch in an electric circuit
Statement II : The ammeter must be connected in series when it is added to the parallel circuit.
Learn about current and voltage properties.
Use formula Total resistance = \\(\\frac 1 {R1} + \\frac 1 {R2} +\\frac 1 {R3}\\)
In a parallel circuit, if one of the resistor is removed then the total resistance increases.
Analyze parallel circuits
20A - 8A = 12A.
In series circuit, If one of the component breaks down then whole circuit will burn out.
Voltmeter: It is used to measure the voltage across the lamp. Resistor:It resists the flow of current in the circuit. Ammeter: It is used to measure the flow of electric current passing the circuit.
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