answersLogoWhite

0

"Moving iron" refers to a type of loudspeaker design that uses a magnetic field to move a diaphragm made of iron or a similar material, creating sound waves. This technology typically involves a coil of wire that generates a magnetic field when an electrical signal passes through it, causing the iron diaphragm to vibrate. This method was more common in early audio equipment and is known for its distinctive sound characteristics. Today, it is largely replaced by more advanced speaker technologies, but it still holds historical significance in audio engineering.

User Avatar

AnswerBot

1y ago

What else can I help you with?

Continue Learning about Engineering

Specifically what are moving coil and moving iron used for measuring?

If you are questioning about different relay (contactor) constructions, the terms moving coil and moving iron designate what part of the relay moves and carries the conductor that makes or breaks a circuit.


Is Voltmeter is a moving iron Instrument or moving coil instrument?

If this is a homework related question, you really should consider trying to solve it yourself before looking at this answer. Otherwise, the value of the lesson, and the reinforcement provided by the assignment, will be lost to you.A moving coil measuring instrument has a coil attached to the indicator, surrounded by a magnet.A moving iron measuring instrument has a magnet attached to the indicator, surrounded by a coil.In both cases, the indicator is driven by magnetic torque caused by current flow in the coil.


Why moving iron is used in both AC and DC current?

A moving iron instrument works by means of a coil that attracts a moving iron mass that is attached to a pivoted pointer which moves across a graduated scale. The iron mass will be attracted towards the coil, regardless of the magnetic polarity of the coil. So, as an AC current continually reverses the magnetic polarity of the coil, the iron mass is always attracted towards the coil, never repelled by it. Similarly, a moving iron instrument doesn't care in which direction a DC current is flowing. So the instrument works equally well with both AC and DC currents. Moving iron instruments, however, are not as accurate as moving coil instruments which, of course, are sensitive to the direction of current.


What are the advantages of a moving iron ammeter?

The advantages of a moving iron ammeter is that it can accurate measure the amount of electricity which is flowing. This makes it well suited for both monitoring and controlling the amount of electricity in a circuit.


Why are moving iron test instruments not used with DC although they can work in DC?

For moving-iron instrument magnetic field is caused when the current (voltage) passes the fixed circle. When the current (voltage) passes the fixed circle,the two iron plates are magnetized ,rotational torque is resulted, the deflection angle indicate measured current. Because the magnetized polarity is same for AC or DC, moving-iron instrument can be used in AC and DC circuit. For permanent-magnet moving-coil instrument magnetic field is caused by the permanent-magnet, When the DC current passes the moving coil, rotational torque is resulted,so the deflection angle indicate measured DC current. As AC current passes the moving coil ,because inertia of moving parts of meter the deflection angle indicate rotational torque average, but rotational torque average is zero in cycle, moving parts of meter is´t deflec,so permanent-magnet moving-coil instrument only is used in DC circuit.

Related Questions

What is the construction and working details of moving iron and moving coil ammeters and moving coil voltmeters?

Different b/w a moving coil instrument and a moving iron instrument


Differences between Permanent magnet moving coil and moving iron?

Permanent magnet moving coil (PMMC) instruments use a moving coil that is suspended between the poles of a permanent magnet, whereas moving iron instruments use a stationary coil and a moving iron piece that moves within the coil's magnetic field. PMMC instruments are more accurate but have limited range, while moving iron instruments are less accurate but can measure higher currents. PMMC instruments are inherently more expensive compared to moving iron instruments.


What does mc and mi refer to in voltmeter and ammeter?

moving coil & moving iron


Specifically what are moving coil and moving iron used for measuring?

If you are questioning about different relay (contactor) constructions, the terms moving coil and moving iron designate what part of the relay moves and carries the conductor that makes or breaks a circuit.


Is Voltmeter is a moving iron Instrument or moving coil instrument?

If this is a homework related question, you really should consider trying to solve it yourself before looking at this answer. Otherwise, the value of the lesson, and the reinforcement provided by the assignment, will be lost to you.A moving coil measuring instrument has a coil attached to the indicator, surrounded by a magnet.A moving iron measuring instrument has a magnet attached to the indicator, surrounded by a coil.In both cases, the indicator is driven by magnetic torque caused by current flow in the coil.


How does a moving iron meter works?

TAE


Instrument which does not have restoring torque?

moving iron instruments


How does a moving iron frequency meter works?

TAE


When the igbo refer to the iron horse what do they mean?

The term "iron horse" used by the Igbo refers to a train or locomotive. It is a metaphorical way of describing a powerful and fast-moving machine that transports people and goods like a horse would.


Why moving iron is used in both AC and DC current?

A moving iron instrument works by means of a coil that attracts a moving iron mass that is attached to a pivoted pointer which moves across a graduated scale. The iron mass will be attracted towards the coil, regardless of the magnetic polarity of the coil. So, as an AC current continually reverses the magnetic polarity of the coil, the iron mass is always attracted towards the coil, never repelled by it. Similarly, a moving iron instrument doesn't care in which direction a DC current is flowing. So the instrument works equally well with both AC and DC currents. Moving iron instruments, however, are not as accurate as moving coil instruments which, of course, are sensitive to the direction of current.


What is moving coil voltmeter?

mic or moving iron coil is instrument type works on ac and dc


What is a moving iron galvanometer?

A moving iron galvanometer is a type of electrical measuring instrument that uses a coil of wire and a movable iron needle to detect and measure electric currents. When current flows through the coil, it creates a magnetic field that moves the iron needle, which indicates the strength and direction of the current.