The figure shows a circuit consisting of three resistors labeled A, B, and C, ea

Question

The figure shows a circuit consisting of three resistors labeled A, B, and C, each with a resistance of 2 Ohm, and a battery with no internal resistance and a voltage of 12V. What is the current through resistor A? For the circuit to the right, with R_1 = 5.0 Ohm, R_2 = 10.0 Ohm, and R_3 = 15 Ohm, and Delta V_0 = 6.0. What is the current flowing through R_3? In a region of space, the electric potential is constant and positive. What can be inferred about the electric field in the region? The electric field is zero The electric field is positive The electric field is negative Nothing can be inferred about the electric held The circuit to the right has a battery, an ammeter, and a collection of resistors What happens to the current through R_1 if R_2 is increased?

Explanation / Answer

multiple question i am allowed to solve only 1 question at a time :

two resistance in parallel and one in series so

R(eq) = 1( 1/2 + 1/2 ) = 1 ohms is in series with 2 ohms

R(eq1) = 1 ohms + 2 ohms = 3 ohms

I =V /R = 12/ 3 OHMS = 4 AMPERE ============TOTAL CURRENT

WE ALSO KNOW THAT CURRENT IN PARALLEL DIVIDES AND REMAINS SAME IN SERIES.

CURRENT THROUGH RESISTOR A =============2 AMPERE ( OPTION B) ========ANSWER)

CURRENT THROUGH RESISTOR B =============2 AMPERE

COMBINED THEY HAVE 4 AMPERE ====== A + B ( IN SERIES )

CURRENT THROUGH RESISTOR C = 4 AMPERE ( CURRENT REMAINS SAME IN SERIES)

NOW YOU CAN SOLVE ALMOST EVERY PART OF THE OTHER QUESTION.

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