Question 324Electricity/Electronics - QMED70% to pass
What is the instrument called a galvanometer used to measure?
AI Explanation
The correct answer is D) very small amounts of current.
A galvanometer is a sensitive electrical instrument used to measure very small amounts of electric current. It works by detecting the deflection of a needle or pointer in response to the flow of current through a coil within the instrument. This makes it ideal for measuring small currents, which is why it is the correct choice for this question.
The other answer choices are incorrect because a galvanometer is not used to measure the thickness of galvanized metal (A), the resistance of electrical wiring insulation (B), or the quantity of "galvans" (which is not a standard electrical term) in a circuit (C).
Related Questions
#322 In the system shown in the illustration, the engine room station is unable to signal any other station, nor is any other station able to signal the engine room station. The engine room station can, however, ring itself by proper positioning of its selector switch. What is the most probable cause of this problem? Illustration EL-0093 #323 Why are external shunts sometimes used with ammeters? #325 When a resistor is used as a shunt and is connected in parallel with a meter movement coil, what capability does this provide? #326 To limit the current flow through a DC voltmeter to as low a value as possible, what is the moving coil circuit provided with? #327 Which of the listed meters uses a shunt connected in series with the load, but parallel with the meter movement?