The correct answer is: B. 30 A.
An induction meter is a type of electrical meter that uses the principle of electromagnetic induction to measure current. It consists of a coil of wire that is wrapped around a ferromagnetic core. When current flows through the coil, it creates a magnetic field that interacts with the core. This interaction causes the core to move, which is then detected by a sensor. The amount of current that is flowing through the coil can be determined by the amount of movement that is detected by the sensor.
The maximum current that an induction meter can handle is determined by the size of the coil and the type of core that is used. The larger the coil and the stronger the core, the more current that the meter can handle.
In general, induction meters can handle currents up to 30 A. However, there are some meters that can handle currents up to 60 A or even 100 A. The specific current rating of a meter will be listed on the manufacturer’s specifications.
It is important to choose an induction meter that can handle the maximum current that you will be measuring. If you choose a meter that is not rated for the current that you will be measuring, it could be damaged or even destroyed.
Here are some additional details about each option:
- Option A: 10 A. This is the minimum current that an induction meter can typically handle. However, there are some meters that can handle currents as low as 5 A.
- Option B: 30 A. This is the most common current rating for an induction meter. Most meters can handle currents up to 30 A.
- Option C: 60 A. This is a higher current rating that is typically used for industrial applications.
- Option D: 100 A. This is the highest current rating that is typically used for induction meters.