The figure shows two situations in which a Gaussian cube sits in an electric field. The arrows and values indicate the directions and magnitudes (in N-m2/C) of the electric fields. What is the net charge (in the two situations) inside the cube?

Question

The figure shows two situations in which a Gaussian cube sits in an electric field. The arrows and values indicate the directions and magnitudes (in N-m2/C) of the electric fields. What is the net charge (in the two situations) inside the cube? (A) (1) negative (2) positive (B) (1) negative (2) zero (C) (1) positive (2) positive (D) (1) negative (2) negative

Tardigrade Admin · Accepted Answer

The field lines in 1 are: (6 + 7) out - (2 + 7+ 15 + 8) in = 19 (in) . It represents negative charge. The field lines in 2 are: (9 + 5 + 6) out - (7+ 3 + 2) in = 8 (out) .It represents positive charge.

Q. The figure shows two situations in which a Gaussian cube sits in an electric field. The arrows and values indicate the directions and magnitudes (in $N - m^{2} / C$ ) of the electric fields. What is the net charge (in the two situations) inside the cube?

(1) negative (2) positive

(1) negative (2) zero

(1) positive (2) positive

(1) negative (2) negative

The field lines in 1 are : (6 + 7) out - (2 + 7+ 15 + 8) in = 19 (in) . It represents negative charge. The field lines in 2 are : (9 + 5 + 6) out - (7+ 3 + 2) in = 8 (out) .It represents positive charge.

Q. The figure shows two situations in which a Gaussian cube sits in an electric field. The arrows and values indicate the directions and magnitudes (in N−m2/C) of the electric fields. What is the net charge (in the two situations) inside the cube?

(1) negative (2) positive

(1) negative (2) zero

(1) positive (2) positive

(1) negative (2) negative

The field lines in 1 are : (6 + 7) out - (2 + 7+ 15 + 8) in = 19 (in) . It represents negative charge. The field lines in 2 are : (9 + 5 + 6) out - (7+ 3 + 2) in = 8 (out) .It represents positive charge.

Q. The figure shows two situations in which a Gaussian cube sits in an electric field. The arrows and values indicate the directions and magnitudes (in $N - m^{2} / C$ ) of the electric fields. What is the net charge (in the two situations) inside the cube?