The resistance added to a galvanometer is a. high b. low c. no extra 1· 3 The re

Question

The resistance added to a galvanometer is a. high b. low c. no extra 1· 3 The resistance added to a galvaroneter is a. high b. low c. no extra (Figure 3 in lob manual) 2. If resistance is added, where? (Figure 2 in lab manual 4. If resistance is added, where? a. Series with the part being measured b. Parallel with the part being measured c. Series with galvanometer d. Parallel with galvanometer a. Series with the part being measured b. Parallel with the part being measured c. Series with galvanometer d. Parallel with galvanometer 5. When used as an ammeter, if the shunt When used as a voltmeter, if the multiplier resistance is too a significant (more than nox) portion of the charge will flow across the galvanometer 6. resistance is than the internal resistance of the galvanometer, the majority of the current will travel through the galvanometer a. lower b. higher c unmatched a. low b. high c. unmatched should be the Power Supply 8. What percentage of the Power Supply 7. What should be the approximate current draw of the shunt resistance? a 10 to 15% b, 01 to 5 % C. 95 to 99.9% voltage drop about the entire circuit should be dropped across the multiplier resistance? a 01 to 5 % b, 95 to 99.9% C, 85 to 90% d, 10 to 15% 85 to 90% Figure 2 Figure 3 Below values were obtained from an actual lab: please consult the monual procedures if uncertain how to proceed 9. Calculate I, v/(100002 r). 10. Calculate M (V/I,)-r Bonus: Calculate the length of for a full scale deflection the wire,s-rI,/(-Iy), if the of 3 Volts where V 5V and r 63 wire has 0.00053 /cm. ALT ALT

Explanation / Answer

Answer 1 ) option B is correct i.e. LOW

The resistance added to galvanometer is low

Answer 2 )

Option B is correct i.e. LOW

The resistance added to galvanometer is low

Answer 5 ) option A is correct i.e. Lower

Answer 6 ) option A is correct i.e. Lower

Answer 7 ) Option C is correct i.e. 95% to 99.99%

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