hand (a)(iv) (1) examples (b) when refuelling, spark between end of fuel/pipe and vehicle =2 spark between/from /to A description to person include the comb/clothes/metal situation handle and, when caused the charge combing separation (1) hair/removing where the spark clothing/opening travelled from or door = 2 lightning to(1) flash, between cloud and , =2 ignore between plug and socket/jump leads (2) Q3. Question Answer Acceptable answers Mark Number (a) A (1) Question Answer Acceptable answers Mark Number (b)(i) Any one from the following points positive and • negative charges attract plates are • positive (1) (1) Question Answer Acceptable answers Mark Number smoke particles (b)(ii) lose their charge / become neutral (1) Question Answer Acceptable answers Mark Number (c)(i) substitution (1) 1.4 give full marks for correct answer × 60 × 2 evaluation with correct unit, no working (1) = 168 unit (1) coulombs / C (3) Question Answer Acceptable answers Mark Number (c)(ii) substitution (1) 1.4 give full for correct answer, × 400 × 60 × 2 no working (2)
hand (a)(iv) (1) (b) A description to include the situation caused the charge separation (1) where the spark travelled from or to(1) examples when refuelling, spark between end of fuel/pipe and vehicle =2 spark between/from /to person comb/clothes/metal handle and, when combing hair/removing clothing/opening door = 2 lightning flash, between cloud and =2 ignore between plug and socket/jump leads (2) Q3. Question Number Answer Acceptable answers Mark (a) A (1) Question Number Answer Acceptable answers Mark (b)(i) Any one from the following points • positive and negative charges attract • plates are positive (1) (1) Question Number Answer Acceptable answers Mark (b)(ii) smoke particles lose their charge / become neutral (1) Question Number Answer Acceptable answers Mark (c)(i) substitution (1) 1.4 × 60 × 2 evaluation (1) = 168 unit (1) coulombs / C give full marks for correct answer with correct unit, no working (3) Question Number Answer Acceptable answers Mark (c)(ii) substitution (1) 1.4 × 400 × 60 × 2 give full for correct answer, no working (2) ,
p2_revision_pack_mark_scheme.docx