Question

20. A coil of many turns of wire wrapped in the shape of a cylinder as shown in fig. is called a solenoid e
a solenoid consists of a long cylindrical coil wound over a hollow cylinder Generally, the diameter of the
coil is smaller than the length of the coil. The solenoid behaves like a bar magnet when a current is made
to flow through it When a solenoid is bent in the shape of a ring, it is known as toroidal solenoidफील्ड इंसाइड ए सोलेनाइड इज ​

Answer 1

Answer:

Acids taste sour, conduct electricity when dissolved in water, and react with metals to produce hydrogen gas. Certain indicator compounds, such as litmus, can be used to detect acids.

Explanation:

Acids taste sour, conduct electricity when dissolved in water, and react with metals to produce hydrogen gas. Certain indicator compounds, such as litmus, can be used to detect acids.

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