Physics 204 Lab Exam 2 Questions and Answers A+ Graded.

Physics 204 Lab Exam 2 Questions and
Answers A+ Graded


In .the .LRC .experiment, .the .resonant .frequency .was .determined .- .CORRECT
.ANSWER-Entirely .by .C .and .L




In .order .to .vary .the .sharpness .of .the .RLC .resonance, .you .varied .- .CORRECT
.ANSWER-The .resistor




In .an .old-fashioned .radio, .when .you .turn .the .knob .to .change .channels .you .are
.really .changing .the .____ .of .an .LRC .circuit. .- .CORRECT .ANSWER-capacitance




An .LRC .circuit .has .L .= .2.5 .mH, .C .= .1.4 .nF, .and .R .= .2.0 .Ω. .What .is .the .resonant
.frequency? .- .CORRECT .ANSWER-85072 .Hz




An .LRC .circuit .has .L .= .2.5 .mH, .C .= .1.4 .nF, .and .R .= .2.0 .Ω. .What .is .its
.bandwidth? .- .CORRECT .ANSWER-127.3 .Hz




The .voltage .across .a .resistor .____ .the .current .through .the .resistor. .- .CORRECT
.ANSWER-is .in .phase .with




The .voltage .across .an .inductor .____ .the .current .through .the .inductor. .-
.CORRECT .ANSWER-leads




The .voltage .across .a .capacitor .____ .the .current .through .the .capacitor. .-
.CORRECT .ANSWER-trails




The .voltage .across .an .LRC .circuit .at .resonance .____ .the .current .through .the
.circuit. .- .CORRECT .ANSWER-is .in .phase .with

, The .image .that .forms .in .a .flat .mirror .is .- .CORRECT .ANSWER-virtual



Which .type .of .mirror .might .form .both .a .real .and .a .virtual .image? .- .CORRECT
.ANSWER-concave




An .object .is .placed .farther .from .a .concave .mirror .than .its .center .of .curvature.
.The .image .of .the .object .- .CORRECT .ANSWER-forms .between .the .object .and
.mirror




An .object .is .placed .farther .from .a .concave .mirror .than .its .center .of .curvature.
.The .image .of .the .object .- .CORRECT .ANSWER-is .reduced




An .object .is .placed .farther .from .a .concave .mirror .than .its .center .of .curvature.
.The .image .of .the .object .- .CORRECT .ANSWER-is .inverted




An .object .is .placed .at .the .center .of .curvature .of .a .concave .mirror. .The .image
.of .the .object .a) .forms .between .the .object .and .the .mirror .- .CORRECT .ANSWER-
forms .at .the .same .location .as .the .object



An .object .is .placed .at .the .center .of .curvature .of .a .concave .mirror. .The .image
.of .the .object .- .CORRECT .ANSWER-is .unchanged .in .size




An .object .is .placed .at .the .center .of .curvature .of .a .concave .mirror. .The .image
.of .the .object .- .CORRECT .ANSWER-is .inverted




An .object .is .placed .between .the .center .of .curvature .of .a .concave .mirror .and .its
.focal .point. .The .image .of .the .object .- .CORRECT .ANSWER-forms .on .the
.opposite .side .of .the .object .as .the .mirror




An .object .is .placed .between .the .center .of .curvature .of .a .concave .mirror .and .its
.focal .point. .The .image .of .the .object .- .CORRECT .ANSWER-is .magnified