Fans, bulbs, and other electrical appliances installed in houses are typically installed in parallel. In a parallel circuit configuration, each appliance is connected individually to the power supply, allowing them to operate independently. This setup ensures that if one appliance ...
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The resistance of an ideal voltmeter is infinite. An ideal voltmeter does not draw any current from the circuit it is measuring; therefore, it has infinite resistance. This ensures that it does not affect the circuit being measured and accurately ...
Earth is used in electrical equipment primarily for safety. It provides a path to dissipate fault currents safely into the ground, preventing electric shocks, fires, and damage to equipment. This grounding ensures that in case of a fault, such as ...
In electrical fittings, a wire is connected to ground primarily to provide a safe path for electrical current in case of a fault, such as a short circuit. This connection directs excessive current away from sensitive equipment and prevents electric ...
When a person enters a dark room from a bright area, initially they do not see clearly due to the slow adaptation of their eyes to low light conditions. Over time, their eyes adjust through a process called dark adaptation, ...
When light waves pass from air to glass, only the wavelength and velocity are affected. The frequency remains constant as it depends on the source. The wavelength decreases in glass due to its higher refractive index, while the velocity decreases ...
Blue light has the highest energy among the options given. Light energy is directly proportional to its frequency and inversely proportional to its wavelength. Blue light has a shorter wavelength and higher frequency compared to green, red, and yellow light, ...
Plants absorb intensely blue and red light. These wavelengths are crucial for photosynthesis, as they are efficiently absorbed by chlorophyll, the pigment responsible for capturing light energy. This absorption drives the process of converting light energy into chemical energy used ...
The process of separation of white light into its different colors is called dispersion. This phenomenon occurs when light passes through a medium, such as a prism, causing different wavelengths (colors) of light to refract at different angles and spread ...
The color with the maximum wavelength is red. Red light has the longest wavelength among the visible spectrum, typically ranging from approximately 620 to 750 nanometers. This longer wavelength causes red light to refract less sharply than other colors when ...