Karteikarten
Year 10 EoY Exam (Physics Equations)
Karten in diesem Stapel (20)
- 1EQUATION FOR SPECIFIC HEAT CAPACITYE = mass x s.h.c. x change in temperature
Energy = mc(delta)t - 2EQUATION FOR RESISTORS IN SEIRESRs = R1 + R2
- 3EQUATION FOR RESISTORS IN PARALLELRp = R1 x R2 / R1 + R2
OR
1/Rp = 1/R1 + 1/R2 + 1/R3 - 4EQUATION FOR ENERGY TRANSFERREDE = current x voltage x time
E=IVt
(Note: also P instead of VI) - 5EQUATION FOR RESISTANCE OF A CIRCUITVoltage = Current x Resistance
V = IR
(rearranged) - 6EQUATION FOR THE CHARGE OF A CIRCUITcharge (C) = current (A) x time (s)
Q=It - 7EQUATION FOR THE POWER OF AN APPLIANCEPower (W) = Current (A) x P.D. (V)
P = IV - 8EQUATION FOR THE SPECIFIC LATENT HEATEnergy = mass x specific latent heat
E=mL - 9EQUATION FOR THERMAL CAPACITYThermal capacity = mass (kg) x s.h.c. (J)
C=mc - 10What is the SI Unit for Specific Latent Heat?J/Kg
(Joules per kilogram) - 11EQUATION FOR THE RESISTIVITY OF A MATERIALp = Resistance x cross sectional area / length
p = RA / l - 12What 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 - 13What 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 - 14EQUATION FOR THE SPEED OF ELECTROMAGNETIC WAVESspeed = frequency x wavelength
c = fn - 15What is the SI Unit for Current? (I)Amperes (A)
- 16What is the SI Unit for Specific Heat Capacity?C°/kg
degrees per kilogram - 17EQUATION FOR BOYLE'S LAW (constant temperature)Initial = Final
P1V1 = P2V2
(P = pressure, V = volume) - 18What 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 - 19SECOND EQUATION FOR ENERGY TRANSFERRED (Hint = involving charge)E = voltage x charge
E=VQ - 20What is the term for ohms/meter?The Resistivity of a Material