Aparallel plate capacitor is connected to a battery and fully charged. it is then disconnected from the battery and isolated. what happens to the energy stored in the capacitor when the distance between the plates is doubled for this isolated capacitor? a) it decreases by 1/4 b) it decreases by 1/2 c) it stays the same d) it increases by a factor of 2 e) it increases by a factor of 4

How much heat is required to convert 0.3 kg of ice at 0°c to water at the same temperature

Question 7 [2 marks] in the circuit below, the electromotive force generated by the battery is e = 6.0 v, and the resistances are r1 = r4 = 1.0 q, r2 = r3 =2.0 q. r. the power delivered by the battery to the circuit is closest to a. 6 w в. 12 w с. 15 w d. 18 w e. 20 w final exam autumn 2014 page 5 of 9 68037 physical modelling faculty of science [2 mark] question 8 with reference to question 7, the current through resistor r2 is closest to a. 1 a в. 2 а c. 3 a d. 4 a e. 6 a

Match these items. 1. coulombs __force 2. ohms __emf 3. centimeters __resistance 4. newtons __charge 5. volts __length