Electric Circuits (HSC SSCE Physics): Flashcards

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Energy and Power in Electric Circuits
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Conservation of energy in circuits

Energy cannot be created or destroyed, only transformed

Role of battery in circuit

Source of potential energy for charged particles

Energy forms from light globe

Light and heat

Energy forms from LED

Mainly light, very little heat (efficient)

Energy form from electric motor

Kinetic energy (movement)

Energy form from resistor

Heat (thermal energy)

Definition of power

Rate at which energy is transformed or transferred

Power equation using voltage and current

P=VIP = VI

Power equation using current and resistance

P=I2RP = I^2R

Power equation using voltage and resistance

P=V2RP = \frac{V^2}{R}

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Electrostatics

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Electrostatics

Electric Circuits

Magnetism

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Electrostatics

Electric Circuits

Magnetism

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Electrostatics

Electric Circuits

Magnetism

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