题目Which is the circuit diagram(电路图)of the picture on the right?A. B. C. D. 相关知识点: 试题来源: 解析 A 【详解】试题分析:根据问题哪一个是电路图的图片?根据图示可知这是一个串联的电路图,故选A。 考点:考查选图。反馈 收藏
21. Study the circuit diagram shown below carefully.B1B2S1S21n S3B3Which of the following statements about the circuit is correct? (4)() B2 and B3 will light up when only S2 is closed.(2) B1, B2 and B3 will light up when only S1 is closed.() Electricity will flow as long as an...
42 The diagram below shows a circuit diagram. The switches in the circuit are labelled as S1, S2 and S3 while the bulbs are labelled as B1, B2, B3 and' B4. The same type of bulbs, wires, switches and batteries are used.S1B1B2P X8∴S3S2B3B4⑧8(a) When switches S1 and S2 are ...
35 The diagram shows a circuit.V Which statement about the circuit is not correct? D A Electromotive force is the energy transferred per unit charge. B Energy is transferred from chemical potential energy in the cell to other forms when the switch is closed. C The electromotive force of the...
结果1 题目 16Study the circuit diagram.(4)G cD EB Three bulbs remain lit up when two of the bulbs are not working.Which bulbs are not working?(1) A and G(2) B and F(3) D and E(4) F and G 相关知识点: 试题来源: 解析 (4) 反馈 收藏 ...
16. The diagram below shows a circuit tester and a circuit board. The circuit board is connected to two points by wires.P R)U ST circuit tester circuit board When the two points, X and Y, of the circuit tester are placed on two different points on the circuit board, the results are...
35 The diagram shows a circuit used for photoelectric emission experiments.E AThe two electrodes E and F are illuminated with light of frequency f. The variable p. d. can be adjusted so that E can either be positive or negative with respect to F. The potential differences V required to st...
22.The diagram below shows a circuit tester and the top view of a circuit card with four paper clips, P, Q, R and S. The paper clips are connected by wires on the underside of the circuit card.Q RP一-S When Jacob connected the circuit tester to various paper clips, he obtained ...
百度试题 结果1 题目23. Study the electric circuit below.、Which circuit diagram below correctly represents the circuit arrangement above?(4)(1)(2)(3)(4) 相关知识点: 试题来源: 解析 (4) 反馈 收藏
8.2 In the circuit diagram below, resistor Ri is rated at 6 W and resistor R2has a resistance of 10 0. X is a resistor with an unknown resistance.The resistance of the switch, ammeter and connecting wires are negligible,while the voltmeters have a very high resistance.The emf of the ...