A parallel-plate capacitor filled with air carries a charge Q. ...

[APUS57]

A parallel-plate capacitor filled with air carries a charge Q. The battery is disconnected, and a slab of material with dielectric constant K = 2 is inserted between the plates. Which of the following statements is true?
  1.The voltage across the capacitor decreases by a factor of 2.
  2.The voltage across the capacitor is doubled.
  3.The charge on the plates is doubled.
  4.The charge on the plates decreases by a factor of 2.
  5.The electric field is doubled.

Question 2

What is the magnitude of the angle of dip at Earth's magnetic north pole?

[juliaf]

Answer to Question 1

3

Answer to Question 2

At Earth's magnetic north pole the angle of dip is 90.

[APUS57]

Thanks for the timely response, appreciate it

[Perkypinki]

Wow, this really help