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PHYSICS_10_19_V2_P_Ohm's law for a mixed connection of conductors..pptx
Direct current Ohm's law for a section of circuit. Mixed connection of conductors
Learning objective
Use Ohm's law for a circuit unit
with mixed connection of
conductors;
Complete the sentences (in pairs)
“In a series circuit, voltage . . .”
“In a series circuit, current . . .”
“In a series circuit, resistance . . .”
“In a parallel circuit, voltage . . .”
“In a parallel circuit, current . . .”
“In a parallel circuit, resistance . . .”
Identify which of these circuits is a parallel circuit (there may be more than one shown!):
Answer
Circuits D and E are parallel circuits.
Different cells produce different voltages. The bigger the voltage supplied by the cell, the bigger the current.
Remember!
Unlike an ammeter, a voltmeter is connected across the components
Scientist usually use the term Potential Difference (pd) when they talk about voltage.
Using Ohm's law for a mixed connection of сonductors
Remember the rules for current and voltage in series and parallel circuits
(G) Group work Worksheet: Circuits & Ohm’s Law
Formative assessment
REFLECTION
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