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In this class, we will learn how electrical measuring instruments (ammeter and voltmeter) should be connected and what characteristics they should have so as not to interfere with the circuit's operation. ★ PLATFORM: http://www.purafisica.com.br ★ FACEBOOK / purafisicarafael ★ INSTAGRAM: / purafisica Visit www.purafisica.com.br and sign up for our email list to receive materials, tips and information on preparing for the ENEM, study strategies and physics content.