What happens when you double capacitance?

What happens when you double capacitance? Doubling the plate separation halves the capacitance so the stored energy reduces to 1/4. C.V^2. The stored energy is reduced by current flowing back into the battery. If the potential difference across the capacitor is doubled, how does capacitance change? Does stored energy increase with distance? Now if the […]

How do you politely ignore a question?

How do you politely ignore a question? 17 Amazing Tricks for Dodging Unwanted Questions Enlist the help of a friend. Sometimes, you just know someone is going to ask you an unwanted question. Restate—and reframe—the question. Deflect with a joke. Offer advice instead of an answer. Deflect the question back to the asker with a […]

What is a dimensional formula?

What is a dimensional formula? Dimensional formula (equation) (Definition) : An equation, which gives the relation between fundamental units and derived units in terms of dimensions is called dimensional formula (equation). In mechanics the length, mass and time are taken as three base dimensions and are represented by letters L, M, T respectively. What unit […]

Is fire a plasma state?

Is fire a plasma state? Fire is made up of many different substances, so it is not an element. For the most part, fire is a mixture of hot gases. If the flame is hot enough, the gases are ionized and become yet another state of matter: plasma. Burning a metal, such as magnesium, can […]

Why Marie Curie is a hero?

Why Marie Curie is a hero? She was a scientist that discovered two elements, polonium and radium, she also invented techniques for isolating radioactive isotopes. She also discovered radiation that could kill human cells. During World War 1 she was sent to work with French builders and she helped design the x-ray. What is a […]

What is the similarities between suspension and colloid?

What is the similarities between suspension and colloid? both are heterogeneous mixture. particles of both suspension and colloidal solution scatter when a beam of light is passing through them and make it’s path visible. How do you identify suspensions colloids and solutions? In summary: A solution is always transparent, light passes through with no scattering […]

Has there ever been a Shinkansen accident?

Has there ever been a Shinkansen accident? The Shinkansen, Japan’s high-speed rail line, has never had a fatal crash or derailment in its 55-year history. (One train hit a man on an elevated track last year in what the police described as a suicide.) Is the Shinkansen profitable? Not all Shinkansen are profitable, but four […]

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