BMAT 2011 Section 2 Question 11
Consider this circuit. Which line in the table gives the current flowing in the ammeter, in amps, when the switch isopen, and when it is closed? Answer: 11) B The…
Consider this circuit. Which line in the table gives the current flowing in the ammeter, in amps, when the switch isopen, and when it is closed? Answer: 11) B The…
Here are four statements about radioactivity:1 A beta particle is an electron that is emitted from the outermost electron shell ofan atom.2 A beta particle is emitted from the nucleus…
When radioactive isotopes decay, they sometimes have to go through a succession of disintegrations to reach a stable isotope. These are called decay chains, and involve the successive emission of…
A force F is applied to the piston X of a brake pedal. This force is transmitted, hydraulically, to piston Y as shown in the diagram. Diameter of piston X…
Which fraction is the percentage by mass of water of crystallisation in sodium carbonate decahydrate? (Relative atomic masses, Ar: Na=23; C=12; O=16; H=1) Answer: 11) D Sodium carbonate = Na₂CO₃…
One of the steps in the breakdown of glucose is the conversion of pyruvic acid, CH3COCO2H, into lactic acid, CH3CH(OH)CO2H. This is an example of. Answer: 11) B Counting the…