F2 Science Electricity Exercise Top |verified| ✪
The "electrical push" or energy supplied to electrons, measured in using a voltmeter. Resistance ( The opposition to current flow, measured in Ohm’s Law:
Electricity is a rewarding subject, but it requires a solid grasp of both abstract concepts and practical calculations. The progression from understanding definitions to applying Ohm’s Law and analyzing complex circuits is a significant leap that you can master with consistent practice.
( ) The red terminal of an ammeter is the negative terminal. (; it is typically the positive terminal) ( ) Electricity can flow in an open circuit. ( False ) f2 science electricity exercise top
List six (6) conditions necessary for electron flow in an electrical circuit. Answer: Source of EMF (battery), conductive path (wires), closed loop (complete circuit), load (resistor/lamp), switch closed, sufficient voltage.
An ammeter measures current and must be connected in series so that the total current flows directly through it. Voltmeters measure potential difference and are connected in parallel. Q2. Three resistors of The "electrical push" or energy supplied to electrons,
Two identical bulbs are connected in parallel to a 3V dry cell.
A single path; if one component breaks, the whole circuit stops. ( ) The red terminal of an ammeter is the negative terminal
A) Protons moved from the cloth to the rod. B) Electrons moved from the cloth to the rod. C) Protons moved from the rod to the cloth. D) Electrons moved from the rod to the cloth.
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