T4 L1 E_A EMS Video answers

• Is electromagnetism one of the four fundamental forces? 

Is elektromagnetisme een van die vier fundamentele kragte?

• yes

  ja

• no

  nee

• Is electromagnetism weaker or stronger than the gravitational force on Earth?

• Is elektromagnetisme swakker of sterker as die gravitasiekrag op aarde?

• weaker

  • swakker

• stronger

  • sterker

• What two fields make up electromagnetic waves?

• Watter twee velde bestaan uit elektromagnetiese golwe?

• Does it matter which field is generated first for electromagnetic waves to flow?

• Maak dit saak watter veld eerste gegenereer word  vir elektromagnetiese golwe om te vloei?

• yes

  ja

• no

  nee

• What is another name for electromagnetic waves? 

• Wat is 'n ander naam vir elektromagnetiese golwe?

• What does the frequency of EM waves mean? 

• Wat beteken die frekwensie van EM-golwe?

What is the relationship between frequency and wavelength?

Wat is die verhouding  tussen frekwensie en golflengte?

• What is a Geodynamo?

• Wat is 'n Geodynamo?

Why is a Geodynamo critical for life on Earth?

Waarom is 'n Geodynamo van kritieke belang vir lewe op aarde?