26. The sum of all the potential changes in a closed circuit is zero, the stated law is calledc. Kirchhoff s third rulea. Kirchhoff s first ruleb. Kirchhoff's second ruled. Kirchhoff's fourth rule27. Sum of all the currents meeting at a point is zero, stated law isa. Kirchhoff s first rulec. Kirchhoff s third ruleb. Kirchhoff's second ruled. Kirchhoff's fourth rule

Given The statements are 1. The sum of all the potential changes in a closed circuit is zero, the…

26. The sum of all the potential changes in a closed circuit is zero, the stated law is cal c. Kirchhoff s third rule d. Kirchhoff's fourth rule a. Kirchhoff s first rule b. Kirchhoff's second rule 27. Sum of all the currents meeting at a point is zero, stated law is c. Kirchhoff s third rule d. Kirchhoff's fourth rule a. Kirchhoff s first rule b. Kirchhoff's second rule

26. The sum of all the potential changes in a closed circuit is zero, the stated law is cal c. Kirchhoff s third rule d. Kirchhoff's fourth rule a. Kirchhoff s first rule b. Kirchhoff's second rule 27. Sum of all the currents meeting at a point is zero, stated law is c. Kirchhoff s third rule d. Kirchhoff's fourth rule a. Kirchhoff s first rule b. Kirchhoff's second rule

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter10: Direct-current Circuits

Section: Chapter Questions

Problem 62P: A man foolishly tries to fish a burning piece of bread from a toaster with a metal butter knife and...

See similar textbooks

Similar questions

The human body can exhibit a wide range of resistances to current depending on the path of the current, contact area, and sweatiness of the skin. Suppose the resistance across the chest from the left hand to the right hand is 1.0 106 . (a) How much voltage is required to cause possible heart fibrillation in a man, which corresponds to 500 mA of direct current? (b) Why should rubber-soled shoes and rubber gloves be worn when working around electricity?
Unreasonable Results (a) What current is needed to transmit 1.00 102MW of power at 480 V? (b) What power is dissipated by the transmission lines if they have a 1.00 -resistance? (c) What is unreasonable about this result? (d) Which assumptions are unreasonable, or which premises are inconsistent?
One ampere is the amount of current that exists when ____ flows by a certain point in a conductor in ____. a. one watt; one second b. one joule; one hour c. one electron; one second d. one electron; one hour e. one volt; one second f. one volt; one hour g. one coulomb; one second h. one coulomb; one hour
18. A 6V battery having an internal resistance 60 is connected to a load resistor. The current through the circuit is 0.1A. The terminal voltage across the load is a. 6.2V b. 6.6V c. 6V d. 5.4V 19. If the velocity and acceleration of an object are in the same direction, a. The object remains at rest. b. The speed of the object increases with time. c. The speed of the object decreases with time d. The speed of the object remains constant.
A. Ampere 7. The circuit with higher resistance will allow less charge to flow. D. Not enough information A. True B. False C. Sometimes 8. What is the unit of measurement to measure the movement of charge (electron) through a wire? A. Volt B. Ohm C. Current D. Ampere 9. The current-voltage relationship can be represented through a graph. D. parabolic B. linear C. non-linear A. hyperbola 10. Which resistor should I connect to a circuit to get the least amount of current? C. 20-Q resistor D. 25-02 resistor A. 10-02 resistor B. 18-Q resistor 1. A 10-ohm resistor is powered by a 5-V battery. What is the resulting current? A. 0.5 A B. 10 A C. 15 A D. 50 A 2. The resistance in a carbon filament lamp... A. decreases B. doubled C. increases If you increase the voltage across a resistor, what will happen to the current? The current will D. remains the same D. stay the same.
2. Consider a watermelon that has side lengths x = - 4 cm, у — 8.7 cm and z= = 6.2 cm. Z (x, y7) a) Assuming that the interior of the watermelon is uniform, rank from least to greatest the electrical resistance along each axis. • A. R2 < Ry < Rx • B. Rz < Rx < Ry • C. Rx < Ry < Rz • D. Rx < Rz < Ry b) If the watermelon doubles in size along each axis (the corner shown in the image will be at (8 cm, 17.4 cm, 12.4 cm)), the re- sistance along each axis • A. Quadruples • B. Doubles • C. Stays the same • D. Halves • E. Is a quarter its original amount
1. The amount of current following in a circuit was measured to be 1 = 0.00037 A a. Express in Powers of Ten for 10-1, 10-2 10-3, 10-4, 10-5 10-6 * 10-1 A x 10-2 A b. Express in mA c. Express in UA x 10 A x 10-4 A x 105 A x 10-6 A units units
4. In the circuit shown, R1 = 3 0, R2 = 2 0, R3 = 5 0, ɛ, = 4 V, E2 = 10 V and ɛz = 6 V. Find the currents I1,12 and Il3, and the potential difference Vaf using Kirchhoff's rules. a E2 + E3+ 12 R1 R2 R3 f
102 5V 6F 4V 5F 10V 11F Switch Switch Switch X. Y
a. What is the equivalent resistance for this circuit? R1=10 2 R3=4 2 R2=1 2 12 V R4=1 2 b. What total current in the circuit? с. What is the current through R1? d. What is the current through R2? е. What is the current through R3? f. What is the current through R4? g. What is the voltage drop across R1? h. What is the voltage drop across R2?
7. In a DC circuit 8.41 x 10 19 electrons travel through a point in the circuit in two seconds. What current is in the circuit? a. 7.43 Amperes b. 5.36 Amperes c. 6.73 Amperes d. 1.10 Amperes e. 8.41 x 1019 Amperes
One of the Kirchhoff’s laws states that:a. In a junction, the algebraic sum of Emf’s must be equal to the algebraic sum of IR’s in it.b. In a loop, the summation of currents incoming plus the summation of currents leaving must be zero.c. The algebraic sum of Emf’s in a loop must be equal to the algebraic sum of IR’s in it.d. Summation of forces at any point of the circuit must sum up to zero. Is letter C the correct answer? Please help verify.