BMAT 2014 Section 2 Question 7
Which one of the following is a unit of current? Answer: From power 𝑃 = 𝑉𝐼, current 𝐼 = 𝑃 / 𝑉 , so unit (ampere) = watt / voltThe…
Which one of the following is a unit of current? Answer: From power 𝑃 = 𝑉𝐼, current 𝐼 = 𝑃 / 𝑉 , so unit (ampere) = watt / voltThe…
Which row in the table correctly explains why an increase in temperature increases the rate of a reaction? Answer: When the temperature of a reaction is increased, the particles gain…
Before a cell can divide by mitosis, DNA synthesis has to take place. Following DNA synthesis, the DNA is separated into each half of the cell and then the cell…
Simplify:𝑥 2 −4𝑥𝑥 2 −16 Answer:𝑥 2 −4𝑥𝑥 2 −16 = 𝑥(𝑥−4)(𝑥+4)(𝑥−4) = 𝑥(𝑥+4)The answer is B
Below are four statements about electromagnetic radiation.1 Microwaves have a shorter wavelength than all other electromagnetic waves.2 For identical amplitudes, waves with the largest wavelength transfer the mostenergy.3 The speed…
Which of the following reactions are redox reactions?1 CuSO4 + Zn → Cu + ZnSO42 HCl + NaOH → NaCl + H2O3 Mg + H2SO4 → MgSO4 + H24 Pb(NO3)2…
The following statements relate to the flow of blood through the heart.1 Oxygenated blood flows through the right side of the heart.2 The vena cava empties deoxygenated blood into the…