Title: Default for E-01-EN
Course: Electric Circuit

Q: Please find the correct answer regarding the resistance and the current of the given circuit.

[Image: Quesrion 01]
- The voltage of resistance R_1 is higher than the voltage of R_2.
- The voltage of the resistance R_1 is lower than the voltage of R_2
- The current of the resistance R_1 is lower than the current of R_2
- The voltage of the two resistances are equal.
- The current of the resistance R_1 is higher than the current of R_2.
- The current of the resistance R_1 is equal as the current of R_2.
A: The voltage of resistance R_1 is higher than the voltage of R_2.; The current of the resistance R_1 is equal as the current of R_2.

Q: The schematic shows a series connection of two resistances with equal resistance values. The left resistance R_1 is tripled. Which statement is true?

[Image: EC_02]
- The current in the electrical circuit is halved.
- The current I_2 of the resistance R_2 increases.
- The total resistance of the electrical circuit doubles.
- The current of the electrical circuit falls by a quarter of the original current.
- The voltage U_1 of the resistance R_1 will decrease.
A: The current in the electrical circuit is halved.; The total resistance of the electrical circuit doubles.

Q: This connection of resistance is given. Please choose the right answer(s)!

[Image: Q03]
- The total resistance is 40 Ω.
- The total resistance is (40 + 16) / 2 = 20 Ω
- The total resistance is 8 Ω
A: The total resistance is 40 Ω.

Q: An electrical circuit of a voltage source and a consumer (resistance) is given. Please choose the correct answers.

[Image: Q 04]
- If the resistance is doubled, the current is halved at the same voltage.
- If the voltage is higher, the resistance increases.
- If the voltage is doubled, the resistance is halved.
- The voltage is inversely proportional to the current.
- The current changes directly proportional to the voltage.
A: If the resistance is doubled, the current is halved at the same voltage.; The current changes directly proportional to the voltage.

Q: In the given circuit a third resistance will be integrated. Please assign the right statements to each other in such a way that the formulation is correct.

The current [...] because [...]
Also offered: in the electrical circuit increases; remains unaffected; the total resistance has decreased; the current is constant within a series connection
A: in the electrical circuit decreases; the total resistance has increased