PHYS 222 SI Test Review. A.0.11m B.15.36m C.1.48m D.0.148m E.5.48m.

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Presentation transcript:

PHYS 222 SI Test Review

A.0.11m B.15.36m C.1.48m D.0.148m E.5.48m

A.Q= +2q B.Q= +q C.Q=0 D.Q=-q E.Q=-2q

A. 0 B ^-10 N m C ^-19 N m D ^-19 N m E ^-10 N m

A.V= kQ/L B.V=2kQ/L C.V=kQ/L^2 D.V=2kQ/L^2 E.0

A.φ= +700 Nm^2/C B.φ= +100 Nm^2/C C.φ= -700 Nm^2/C D.φ= -100 Nm^2/C E.φ= 0

A.True B.False

A.+3.5 x 10^-8 J B.-3.5 x 10^-8 J C.+7.3 x 10^-8 J D.-7.3 x 10^-8 J E.0

A cm B m C mm D m E cm

A.U parallel /U series = 2 B.U parallel /U series = 1/2 C.U parallel /U series = 4 D.U parallel /U series = 1/4 E.U parallel /U series = 1

A.Capacitance will increase B.Capacitance will decrease C.Capacitor will discharge completely D.Total charge on the capacitor's plate will decrease E.Total charge on the capacitor's plate will increase

A.1000 N/C B.2000 N/C C.4000 N/C D.6000 N/C E.None of the above

A.5.3 V B.7.2 V C.9.0 V D.12 V E.0

A.The charge on C 2 remains the same. B.The charge on C 2 increases. C.The charge on C 2 decreases. D.The charge on C 2 becomes zero. E.none of the above

A.r = 1.6x10^-2 Ω B.r = 1.2x10^-1 Ω C.r = 1.6x10^-10 Ω D.r = 0 E.r = 1.2x10^-3 Ω

A.V =10V B.V = 5V C.V = 20V D.V =100V E.V = 0

A.432 Ω B.216 Ω C.108 Ω D.54 Ω E.27 Ω

A.2 V B.3 V C.30 V D.6 V E.9 V

A.+2.3x10^11 Vm B.-2.3x10^11 Vm C.+4.6x10^11 Vm D.-4.6x10^11 Vm E.0

A.4.6x10^5 m/s B.8.3x10^6 m/s C.3.5x10^7 m/s D.2.3x10^8 m/s E.1.2x10^9 m/s

A.850 W B.1250 W C.850 W for small current, and 1250 W big current D.1250 W for small current, and 850 W big current E.The same

A.triangle B.square C.circle D.they all give the same result E.not enough information