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When the current through an ohmic conductor is 2A, the potential difference across it is 6V. What is the potential difference across the same ohmic conductor when the current is increased to 3A?

To answer this, you need to pick up on the clues in the question. "Ohmic conductor" is explicitly mentioned twice, so this is likely to be important. You should know that for ohmic conductors, p.d....
EG
3929 Views

How do you find the original price of a sale item when a percentage decrease has been applied?

Let's use an example, for instance, a pair a trainers in the sale are advertised as having 25% off, and are now a price of £24. How would you find the original price of the trainers before the sale?Firstly, ...
EG
3607 Views

How can I increase the rate of reaction between two substances, without changing the chemicals I use?

Rate of reaction is based on collision frequency: chemicals react when molecules come into contact with each other with enough energy to react. If you want to increase the rate of reaction, you need to find ...
EG
3142 Views

Is the demand for food likely to be Price elastic or Inelastic?

Definition: Price elasticity of Demand (PED) measures the responsiveness of Quantity Demanded to a change in the good's price.Food is considered a basic necessity, we cannot live without it and therefore it ...
FH
Answered by Frazer H. • Economics tutor
25469 Views

For what values of x is 2x^2 - 11x - 6 > 0 ?

The first step is to factorise the equation into two brackets. In this case we get (2x+1)(x-6)Now, for this to be greater than zero we need both brackets to be greater than zero, or both brackets to be less ...
RK
Answered by Rowan K. • Maths tutor
4024 Views