{"id":61,"date":"2024-06-26T16:39:38","date_gmt":"2024-06-26T14:39:38","guid":{"rendered":"https:\/\/comma.co.za\/?p=61"},"modified":"2024-07-04T09:00:28","modified_gmt":"2024-07-04T07:00:28","slug":"graad-12-fisika-elektriese-stroombane-interne-weerstand","status":"publish","type":"post","link":"https:\/\/comma.co.za\/afrikaans\/graad-12-fisika-elektriese-stroombane-interne-weerstand\/","title":{"rendered":"Graad 12 – Fisika – Elektriese stroombane: Interne Weerstand"},"content":{"rendered":"

E = emk<\/p>\n

I = stroom<\/p>\n

R = eksterne weerstand<\/p>\n

r = interne weerstand<\/p>\n

Eksterne- vs Interne Weerstand<\/strong><\/p>\n

Eksterne weerstand verwys na die weerstand van die stroombaan, byvoorbeeld resistors wat in die stroombaan is. Interne weerstand verwys na die weerstand binne in die battery, die interne weerstand in batterye is the hitte energie wat verlore gaan oor tyd.<\/p>\n

Kom ons kyk na die formule van interne weerstand:<\/p>\n

E = I(R+r)<\/p>\n

Emk = stroom x (Eksterne weerstand + Interne weerstand)<\/p>\n

Kom ons kyk na ‘n voorbeeld:<\/p>\n

‘n Ammeter op ‘n stroombaan lees ‘n lesing van 1.6A wanneer die\u00a0 skakelaar toe is.
\n‘n Voltmeter wat gekoppel is aan beide kante van die sel, het ‘n lesing van 12V wanneer die skakelaar oop is.
\nDaar is een resistor (R1) wat in series is aan twee resistors wat parallel (R2 en R3) is aan merkaar.<\/p>\n

R1 = 4\u03a9<\/p>\n

R2 = 5\u03a9<\/p>\n

R3 = 5\u03a9<\/p>\n

Bepaal:<\/p>\n

1.1) Die emk van die sel<\/p>\n

1.2) Die totale weerstand van die stroombaan<\/p>\n

1.3) Die interne weerstand van die sel<\/p>\n

 <\/p>\n

1.1) 12V<\/p>\n

 <\/p>\n

1.2) 1\/Rp = 1\/R1 + 1\/R2<\/p>\n

1\/Rp = 1\/5+1\/5<\/p>\n

dus is 1\/Rp = 2\/5<\/p>\n

dus is Rp = 5\/2 = 2,5\u03a9<\/p>\n

Rtotaal = R1 + Rp<\/p>\n

dus is Rtotaal = 4\u03a9 + 2.5\u03a9<\/p>\n

dus is Rtotaal\u00a0 = 6,5\u03a9<\/p>\n

 <\/p>\n

1.3)\u00a0 E = I(R+r)<\/p>\n

dus is 12 = 1.6(6,5 +r)<\/p>\n

dus is r = 1\u03a9<\/p>\n

 <\/p>\n

Indien jy Fisiese Wetenskappe ekstraklasse of tutoring hulp benodig. Voel gerus om 076 230 4040<\/a> of info@comma.co.za<\/a> te kontak vir enige navrae.<\/p>\n","protected":false},"excerpt":{"rendered":"

E = emk I = stroom R = eksterne weerstand r = interne weerstand Eksterne- vs Interne Weerstand Eksterne weerstand verwys na die weerstand van die stroombaan, byvoorbeeld resistors wat in die stroombaan is. Interne weerstand verwys na die weerstand binne in die battery, die interne weerstand in batterye is the hitte energie wat verlore […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","omw_enable_modal_window":"enable","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[],"footnotes":""},"categories":[23,20,21],"tags":[],"class_list":["post-61","post","type-post","status-publish","format-standard","hentry","category-elektriese-stroombane","category-fisiese-wetenskappe","category-fisika","entry"],"yoast_head":"\nGraad 12 - Fisika - Elektriese stroombane: Interne Weerstand - Math & Science for Grade 10, Grade 11 and Grade 12<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/comma.co.za\/afrikaans\/graad-12-fisika-elektriese-stroombane-interne-weerstand\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Graad 12 - Fisika - Elektriese stroombane: Interne Weerstand - Math & Science for Grade 10, Grade 11 and Grade 12\" \/>\n<meta property=\"og:description\" content=\"E = emk I = stroom R = eksterne weerstand r = interne weerstand Eksterne- vs Interne Weerstand Eksterne weerstand verwys na die weerstand van die stroombaan, byvoorbeeld resistors wat in die stroombaan is. 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