An Analog Ammeter Able to Have a 0

question 4

Multiple Choice

An analog ammeter able to have a 0.5 A maximum reading is to be built using a small coil of resistance R = 20 Ω, and full scale deflection at 1 mA. What resistance should be added to this coil and how should it be connected to the coil?

• A)0.08 Ω in parallel
• B)0.5 Ω in parallel
• C)0.02 Ω in series
• D)20.4 Ω in parallel
• E)0.04 Ω in parallel