Which instrument is expensive and difficult to use? Voltmeter Potentiometer Potentiometer and CRO CRO Right Answer: CRO Share : December 16, 2017 Asghar Khan Physics Total 0 Votes: 0 0 Tell us how can we improve this Mcqs? Captcha: + = Verify Human or Spambot ? Related Mcqs Check Below -Which of the following forces are conservatives?The result of two forces of equal magnitudes is also equal to the magnitude of the forces. The angle between the two forces is?The tension in the string of simple pendulum is?