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Exam (elaborations)

electricity.

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Exam of 4 pages for the course LPSP1202 - Chapitre 12 - Troubles du sommeil at LPSP1202 - Chapitre 12 - Troubles du sommeil (electricity.)

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  • June 24, 2024
  • 4
  • 2023/2024
  • Exam (elaborations)
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electricity
AC current-✔changes direction and instantaneous value with time

EMF-✔the energy supplied to each coulomb of charge passing through the
battery.

Lost volts-✔The potential difference across the internal resistor of a source
of e.m.f.

Internal resistance-✔resistance inside the source of electrical energy.

terminal potential difference (t.p.d.)-✔Voltage that appears across the
terminals of a source when the source is supplying a current to a circuit. It
is the potential difference that appears in the circuit.

short circuit-✔A connection that allows current to take the path of least
resistance

open circuit-✔an incomplete electrical circuit in which no current flows

Information from a Vtpd vs Current Graph.-✔Y Intercept - EMF
X Intercept - Short Circuit Current
Gradient = -r

1 Farad-✔1 coulomb of charge stored per unit volt

Capacitance (C)-✔Measured in Farads (F)

Charge (Q)-✔Measured in Coulombs (C)

Area under a Q vs V graph.-✔Energy Stored in a capacitor.

Voltage vs Time for Charging Capacitor-✔

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