Year 10 EoY Exam (Physics Equations)

Question	Answer
EQUATION FOR SPECIFIC HEAT CAPACITY	E = mass x s.h.c. x change in temperature Energy = mc(delta)t
EQUATION FOR RESISTORS IN SEIRES	Rs = R1 + R2
EQUATION FOR RESISTORS IN PARALLEL	Rp = R1 x R2 / R1 + R2 OR 1/Rp = 1/R1 + 1/R2 + 1/R3
EQUATION FOR ENERGY TRANSFERRED	E = current x voltage x time E=IVt (Note: also P instead of VI)
EQUATION FOR RESISTANCE OF A CIRCUIT	Voltage = Current x Resistance V = IR (rearranged)
EQUATION FOR THE CHARGE OF A CIRCUIT	charge (C) = current (A) x time (s) Q=It
EQUATION FOR THE POWER OF AN APPLIANCE	Power (W) = Current (A) x P.D. (V) P = IV
EQUATION FOR THE SPECIFIC LATENT HEAT	Energy = mass x specific latent heat E=mL
EQUATION FOR THERMAL CAPACITY	Thermal capacity = mass (kg) x s.h.c. (J) C=mc
What is the SI Unit for Specific Latent Heat?	J/Kg (Joules per kilogram)
EQUATION FOR THE RESISTIVITY OF A MATERIAL	p = Resistance x cross sectional area / length p = RA / l
What are the positive prefixes used for SI Units?	(G) Giga - 1000 000 000 (M) Mega - 1000 000 (k) Kilo - 1 000 (h) hecto - 100 (da) deca 10
What are the negative prefixes used for SI Units?	(d) deci 0.1 (c) centi 0.01 (m) milli 0.001 (u) micro 0.000001 (n) nano 0.000000001
EQUATION FOR THE SPEED OF ELECTROMAGNETIC WAVES	speed = frequency x wavelength c = fn
What is the SI Unit for Current? (I)	Amperes (A)
What is the SI Unit for Specific Heat Capacity?	C°/kg degrees per kilogram
EQUATION FOR BOYLE'S LAW (constant temperature)	Initial = Final P1V1 = P2V2 (P = pressure, V = volume)
What are J, V and C measuring, respectively?	Energy Transferred J is the energy transferred in joules V is the potential differences in volts C is the charge in coulombs
SECOND EQUATION FOR ENERGY TRANSFERRED (Hint = involving charge)	E = voltage x charge E=VQ
What is the term for ohms/meter?	The Resistivity of a Material

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Year 10 EoY Exam (Physics Equations)

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