62 457
Assignments Done
99,1%
Successfully Done
In June 2018

Answer to Question #51843 in Electric Circuits for Samuel

Question #51843
10 The advantage of potentiometer over voltmeter in measurements of emf is that? athe potentiometer wire is assumed to be uniform b) it does not draw current from the circuit under test c) the temperature of the wire must remain constant d) faults may arise due to breaks or wrong connections in the circuit
11 Which of these is not a useful precaution in an electrical experiment? a) key should be removed between readings to avoid battery run-down b) jockeys should be dragged on resistance wires c) the connections in the circuit should be tight d) readings should be recorded as soon as they are obtained
12 Which of the following is not true about a rheostat? a) It is a constant current instrument b) It is a variable resistor with moving contact c) It is used for varying the current in a circuit d) It is used for varying the resistance in a circuit
Expert's answer

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be first!

Leave a comment

Ask Your question

Submit
Privacy policy Terms and Conditions