Question 220Electricity/Electronics - 1st Asst/Chief70% to pass
What is the instrument called a galvanometer used to measure?
AI Explanation
The correct answer is C) very small amounts of current.
A galvanometer is an instrument used to measure very small amounts of electric current flowing in a circuit. It works by detecting the deflection of a pointer or needle within the instrument, which is proportional to the amount of current passing through it. This makes it well-suited for measuring small currents that would not be easily detected by other instruments.
The other options are incorrect because a galvanometer is not used to measure the thickness of galvanized metal (A), the quantity of galvans (which is not a standard unit) in a circuit (B), or the resistance of electrical wiring insulation (D). Those measurements require different types of electrical instruments.
Related Questions
#218 With an AC synchronous electric propulsion motor driving a fixed-pitch propeller, whenever there is a direction reversal ordered from the bridge, there is a process of regenerative braking that is used to slow the motor down before the shaft actually reverses. Where is the energy associated with the inertia of rotation dissipated before reversal occurs? #219 With an AC synchronous electric propulsion motor driving a fixed-pitch propeller, whenever there is a direction reversal ordered from the bridge, there is a process of electrical braking used to slow the motor down before the shaft actually reverses. What is the name of this process? #221 To limit the current flow through a DC voltmeter to as low a value as possible, what is the moving coil circuit provided with? #222 If the clock frequency input to the circuit shown in the illustration were 2 kHz, what would be indicated at the output of 'FF-3' at the Q3 output? Illustration EL-0087 #223 In a logic circuit, how does a NOT gate function?