What correction do you make to a friend who states that a step-up transformer boosts energy, while a step-down transformer reduces energy in a circuit
What will be an ideal response?
You remind your friend of the conservation of energy. Although a transformer can step up or step down voltages and currents, no way can it do the same with energy. Energy can neither be created nor destroyed.
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The indirect control of one country or region by another through economic and cultural domination is known as
A) colonialism B) cultural hegemony C) dictatorship D) dependence E) neocolonialism
On average, which of the following occurs as a cloud grows thicker (taller)?
A. Less sunlight is reflected from the cloud. B. More sunlight is transmitted through the cloud. C. Less light is scattered by the cloud. D. More sunlight is absorbed by the cloud.
What produces columnar jointing in lava flows? What will be an ideal response?
What is the Holocene epoch?
What will be an ideal response?