Electromagnetic and electromagnetic spectrum

Which equipment is used for checking the mix sound like in the studio?

• cables

• headphones

• computer unit

• studio monitor

Answer explanation

Certainly! Studio monitors are speakers specifically designed for audio production. They deliver a faithful and unbiased reproduction of sound, offering a flat frequency response without coloration. These monitors are crucial tools for musicians, sound engineers, and producers, allowing them to make precise adjustments to achieve the desired audio quality in recordings and mixes.

The area of magnetic force around a magnet is known as its _____________.

• Magnetic Field

• Magnetic Fan Lines

• Magnetic Area

• Magnetic Location

Who is credited for inventing the battery?

• Ben Franklin

• Alexander Graham Bell

• Nikola Tesl

• Allesandro Volta

In which context does "spark jumping" commonly occur?

• Electricity or fire hazards
• Watering the garden
• Cooking in the kitchen
• Playing with pets

Answer explanation

"Spark jumping" is not a specific or widely recognized term, and its meaning could depend on the context. However, it could refer to the visual or physical phenomenon of sparks leaping or jumping from one surface to another. This can happen due to electrical discharges, such as those in a spark plug or an electrical circuit.

What type of electromagnetic waves is used in texting?

• Radio waves
• X-rays
• Ultraviolet waves
• Microwaves

Which of the following conditions can induce a current in a coil?

• Decreasing number of coil turns
• No magnetic field
• Stable magnetic field
• Changing magnetic field

What do you call a process by which magnetism causes electric current?

• Electromagnetic induction
• Current magnetization
• Electric induction
• Magnetic resistance

The electricity we use daily is made by the movement of _____.

• protons
• electrons
• photons
• neutrons

Which among the statements make the electromagnetic induction possible?

• Interaction between a magnetic field and an electric circuit
• Interaction between a magnetic field and a gravitational circuit
• Interaction between an electric field and an electric circuit
• Interaction between a magnetic field and a static circuit

In the visible spectrum, which color has the longest wavelength?

• Red
• Yellow
• Green
• Blue