equivalent overall resistance is smaller than the smallest parallel resistor. a) True b) False
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equivalent overall resistance is smaller than the smallest parallel resistor.
a) True
b) False
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- 2) The circuit shown contains the following three resistors wired to a 6 V battery: R₁ = 652 R₂ = 852 R3 = 492 a) Calculate the equivalent resistance of the circuit. (2) b) Calculate the voltage across R3. (2) www R₁ Page 2 R₂ R3Which statements are true? a) At any junction point in a circuit, the sum of all the currents entering the junction must equal the sum of all the currents leaving the junction. b) The sum of the changes in potential around any closed loop of a circuit must equal zero. c) Kirchoff's junction rule is based on the conservation of energy. d) Kirchoff's loop rule is based on the conservation of charge.In the circuit below, if resistor R1=19.4ΩΩ, and resistor R2=77.32ΩΩ, what is the equivalent resistance of this circuit in units of Ohms (ΩΩ)?
- If the length of a cylindrical conducting wire doubles and its radius also doubles, then the resistance of the wire __________. a. halves b. decreases by a factor of two c. doubles d. increases by a factor of four e. does not change+8 m → 4) Find the resistance and capacitance of the following truncated pyramidal material along its axis (assume current flows through its axis, resistivity is po = const., dielectric constant is ɛ, = const). 3 m 4 m H2) Find the equivalent resistance and the total current in the circuit, if the voltage is 110 V. RA R23 7.00 15.0 n 21.0 n. R1 13.0 N
- Voltmeters are designed to have a very high resistance so as to cause the smallest possible change in currents and voltages in the circuit. True FalseThe voltage drop from a to b is 82 V. a) Calculate the equivalent resistance of the circuit b) How much current is flowing through R1? c)How much current is flowing through R5? d)How much current is flowing through R2? e) What is the voltage across R4?